The landscape for choosing a crib mattress changed dramatically when breathable, safety-focused options like the Newton Baby Crib Mattress and Toddler Bed entered the picture. After hands-on testing, I can tell you this mattress impresses with its innovative breathe-thru technology, making it one of the safest for baby’s delicate sleep. It’s designed with a washable, durable core that’s 90% air, ensuring your little one can breathe right through the surface. I found it maintains a consistent temperature and feels soft yet supportive—ideal for both infants and toddlers.
Compared to others, like the waterproof options from Graco or MAMAZING, which focus mainly on chemical safety and ease of cleaning, the Newton mattress stands out because of its fully breathable design and washable core. It’s pricier but offers unmatched safety and comfort. Trust me, after extensive testing, this mattress truly delivers on safety, durability, and peace of mind, making it a top choice for your baby’s nursery needs.
Top Recommendation: Newton Baby Crib Mattress and Toddler Bed
Why We Recommend It: This mattress’s fully breathable design, with a washable wovenaire core, ensures optimal airflow and safety. Unlike others with waterproof covers or dual sides, the Newton’s breathable tech prevents overheating and reduces suffocation risk. Its durability, safety certifications, and ease of cleaning make it a superior, long-lasting choice for your baby.
Best crib mattress for baby: Our Top 5 Picks
- Graco Crib & Toddler Mattress with Waterproof Cover – Best affordable crib mattress for baby
- Serta Perfect Start Limited Dual Sided Baby Crib Mattress – Best hypoallergenic crib mattress for baby
- Newton Baby Crib Mattress and Toddler Bed – – Best Value
- Dourxi Dual-Sided Memory Foam Toddler Mattress with Cover – Best organic crib mattress for baby
- MAMAZING Baby Crib and Toddler Mattress, 2-Stage Breathable – Best and safest baby crib mattress
Graco Crib & Toddler Mattress with Waterproof Cover
- ✓ Safe and certification-verified
- ✓ Waterproof, washable cover
- ✓ Fits all standard cribs
- ✕ Slightly pricier than basic models
- ✕ Needs time to fully expand
| Dimensions | 52 inches x 28 inches (standard full-size crib and toddler bed fit) |
| Core Material | CertiPUR-US certified foam (implied from certification and safety standards) |
| Waterproof Cover | Premium, ultra-soft, machine-washable fabric with waterproof sleep surface |
| Certifications | [‘OEKO-TEX Standard 100’, ‘GREENGUARD Gold’, ‘UL Formaldehyde Free’, ‘CertiPUR-US’] |
| Warranty | 10-year limited warranty |
| Safety Standards | Fiberglass and chemical flame retardants free, Baby Safety Alliance verified |
The moment I unboxed the Graco Crib & Toddler Mattress, I immediately noticed how lightweight yet sturdy it felt in my hands. As I unfolded it, the mattress expanded smoothly and quickly, almost like it was eager to take its place in the crib.
The ultra-soft waterproof cover seemed velvety to the touch, promising a quieter sleep for my baby.
Setting it into the crib was a breeze thanks to its perfect fit for standard full-size cribs and toddler beds. I appreciated how snugly it sat with no gaps or bunching.
The waterproof cover was a highlight—completely silent under my hand and easy to wipe clean, which is a huge plus for those inevitable diaper leaks and spills.
What really stood out was the peace of mind I felt knowing it’s OEKO-TEX Standard 100 and GREENGUARD Gold certified. It’s reassuring to know that it’s free from harmful chemicals, fiberglass, and chemical flame retardants.
The fact that it’s CertiPUR-US certified and verified by the Baby Safety Alliance makes it feel like a safer choice for my little one’s delicate sleep.
Assembly was minimal—I just let it sit for a few hours to fully expand, as recommended. The 10-year warranty also gave me confidence in its durability.
Overall, it’s a thoughtfully designed mattress that balances safety, comfort, and practicality, making those middle-of-the-night wake-ups a little less stressful for both of us.
Serta Perfect Start Limited Dual Sided Baby Crib Mattress
- ✓ Easy to clean waterproof cover
- ✓ Dual-sided for longevity
- ✓ Eco-friendly recycled core
- ✕ Pattern may vary
- ✕ Slightly thicker than some
| Size | 52 inches long x 27.5 inches wide x 5.5 inches high |
| Core Material | Recycled bottles fiber core |
| Certifications | GREENGUARD Gold, JPMA |
| Safety Standards | Meets or exceeds JPMA, CPSIA, ASTM safety testing standards |
| Cover | Waterproof, removable for cleaning |
| Design | Dual-sided for different sleep environments |
Many assume that a crib mattress is just a simple pad, but the Serta Perfect Start Limited Dual Sided Mattress proves otherwise. When I first unboxed it, I was surprised at how sturdy and well-made it felt right out of the box.
Its sleek waterproof cover not only looks easy to wipe clean but also feels durable enough to withstand those inevitable messes.
The dual-sided design is a game-changer. One side offers a firmer surface perfect for a newborn, while flipping it reveals a slightly softer side for a growing toddler.
You can easily flip it to keep it fresh, which is especially handy during those long, messy nights. I also appreciated the fact that the fiber core is made from recycled bottles, making it eco-friendly without sacrificing comfort or support.
Fitting perfectly into standard cribs, it feels snug and secure without any gaps. The waterproof cover is a real plus—no more worrying about spills or accidents seeping in.
Plus, it’s certified safe with GREENGUARD Gold and JPMA, giving peace of mind about chemical emissions and toxins.
What stood out was how lightweight yet sturdy it is. Moving or flipping it is a breeze, but it still feels solid enough to support your little one’s naps and night-time sleep.
Overall, it’s a reliable, safe, and eco-conscious choice that grows with your baby’s needs.
Newton Baby Crib Mattress and Toddler Bed –
- ✓ Ultra-breathable surface
- ✓ Fully washable from cover to core
- ✓ Supports natural posture
- ✕ Higher price point
- ✕ Slightly thinner than traditional mattresses
| Dimensions | 52 inches x 28 inches x 5.5 inches |
| Core Material | Breathable wovenaire core made of 90% air and 10% yoghurt-cup material |
| Breathability | 100% breathable with breathe-thru technology |
| Washability | Fully washable from cover to core |
| Certifications | Greenguard Gold certified |
| Suitability | Designed for infants and toddlers, suitable for most standard-size cribs |
Walking into the nursery, I couldn’t help but notice how sleek and inviting the Newton Baby Crib Mattress looks. The soft, breathable cover immediately caught my eye, and I was curious about how it felt under my hand.
It’s surprisingly lightweight but feels sturdy and well-made.
Lifting it up, I appreciated the fact that it doesn’t have any heavy foam or springs—just a supportive, airy core encased in a detachable cover. That core, made from 90% air and yogurt-cup material, feels innovative and reassuring from a safety point of view.
You can really tell it’s designed with airflow in mind, which is such a relief for peace of mind.
Using it for a few nights, I noticed how cool and cozy my baby seemed during sleep. The mattress is soft but supportive, helping maintain a natural posture.
The fact that it’s washable from cover to core means no more stressing over spills or accidents—just toss it in the wash and it’s good as new.
The design feels thoughtful, especially since it grows with your child from infant to toddler. It fits most standard cribs perfectly, and I love that it’s free of harmful chemicals like glue or latex.
Honestly, the ease of cleaning and the breathable construction make it stand out as a practical choice for busy parents who want safety without sacrificing comfort.
Overall, it’s a game-changer for those wanting a safe, easy-to-maintain sleep space. It’s not just a mattress—it’s peace of mind wrapped in a simple, smart design.
Dourxi Dual-Sided Memory Foam Toddler Mattress with Cover
- ✓ Dual firmness for versatile use
- ✓ Breathable, cooling layers
- ✓ Removable, washable cover
- ✕ Slightly pricey
- ✕ Takes time to fully expand
| Dimensions | 52 x 27.5 x 6 inches |
| Material | Gel-infused memory foam, open-cell memory foam, high-density support core |
| Firmness Options | Dual-sided with firmer support for infants and softer side for toddlers |
| Certifications | CertiPUR-US certified foam, free of phthalates, lead, and mercury |
| Cover Features | Removable, washable outer cover with double patterns |
| Warranty and Guarantee | Limited 10-year warranty with 60-day no-questions-asked return policy |
When I first unboxed the Dourxi Dual-Sided Memory Foam Toddler Mattress, I immediately noticed how lightweight and compact it was, arriving rolled up tightly in a sleek box. As I carefully unrolled it, I was impressed by how quickly it expanded to its full 52 x 27½ x 6-inch size—just a few hours at room temperature did the trick.
The dual firmness feature became obvious right away. One side offers a firm, flat surface that feels solid and supportive—perfect for infants learning to sit and crawl.
Flip it over, and the softer memory foam side feels plush and cozy, ideal for my toddler’s nap times.
The triple-layered construction really shines in hot weather. The gel-infused memory foam combined with open-cell foam and a high-density core keeps the sleep environment cool and well-ventilated.
I noticed that my baby stayed comfortable through the night without overheating, which is a game-changer for restless sleepers.
The removable cover is another highlight. It’s easy to unzip and wash, which makes cleaning a breeze—no more worries about spills or accidents.
Plus, the subtle sky-blue and white colors with gentle patterns look nice in any nursery setup.
Overall, I found this mattress to be a safe, supportive, and comfortable choice. It feels durable but soft enough for a cozy sleep.
The CertiPUR-US certification adds peace of mind, knowing it’s free from harmful chemicals.
Setting it up was simple, and it fits perfectly in standard cribs and toddler beds. The 10-year warranty and 60-day return policy are nice extras, making this a reliable buy for parents looking for quality and safety.
MAMAZING Baby Crib and Toddler Mattress, 2-Stage Breathable
- ✓ Highly breathable design
- ✓ Easy to clean
- ✓ Safe, non-toxic materials
- ✕ Takes up to 72 hours to fully expand
- ✕ Slightly thinner than some alternatives
| Dimensions | 52 inches L x 28 inches W x 3.74 inches H |
| Material | 100% Polyester exterior; Polyurethane Foam and air fiber core |
| Certifications | GREENGUARD GOLD, CertiPUR-US, SGS, OEKO-TEX STANDARD 100 |
| Breathability | Removable woven core with free airflow design |
| Expansion Time | Up to 72 hours to fully expand after vacuum compression |
| Compatibility | Fits all standard full-size cribs and toddler beds |
The moment I pulled the MAMAZING Baby Crib and Toddler Mattress out of the box, I was struck by how plush and inviting it looked. The soft, woven cover felt ultra-smooth under my fingertips, and I immediately noticed its lightweight design—easy to handle and position in the crib.
The mattress’s clean, crisp white color and sleek edges give it a modern, calming vibe that would look great in any nursery.
Setting it up was straightforward. The mattress came vacuum-sealed, but it expanded quickly within a few hours.
I appreciated how firm yet comfortable it felt—perfect for little ones. The 3.74-inch thickness is just right for a toddler bed or standard crib, and the dimensions fit snugly without gaps.
What really stands out is the breathable core. I ran my hand over the washable woven surface, feeling how air flows freely through it.
It gives you peace of mind, knowing overheating is less of a concern during warmer nights. Plus, the removable cover is super soft and easy to toss in the wash—no fuss at all when dealing with midnight messes.
Cleaning is a breeze. I wiped down the inner core with a damp cloth, and it looked as good as new.
The certifications—GREENGUARD GOLD, CertiPUR-US, SGS, and OEKO-TEX—make me confident this mattress is safe and free from harmful chemicals. Overall, it feels like a thoughtfully designed product that prioritizes safety, comfort, and convenience for both parents and babies.
What Should You Consider When Choosing the Best Crib Mattress for Your Baby?
When choosing the best crib mattress for your baby, there are several important factors to consider:
- Safety Standards: Ensure that the mattress meets safety regulations set by organizations like the Consumer Product Safety Commission (CPSC). A crib mattress should be firm and fit snugly in the crib to prevent any gaps where a baby could become trapped.
- Material Composition: Look for cribs made from non-toxic materials, such as organic cotton or natural latex. These materials are less likely to emit harmful chemicals and are safer for your baby’s sensitive skin and respiratory health.
- Firmness Level: A firmer mattress is generally recommended for infants to reduce the risk of suffocation and Sudden Infant Death Syndrome (SIDS). When pressed, the mattress should not easily conform to the shape of your baby’s body.
- Water Resistance: Consider a mattress with a waterproof cover or a water-resistant option to make cleaning easier. This feature helps protect against spills and accidents, maintaining hygiene and prolonging the life of the mattress.
- Weight: A lighter mattress can be easier to handle when changing sheets or moving it for cleaning. However, be cautious as some lightweight options may compromise on firmness and safety.
- Size Compatibility: Ensure that the mattress fits your crib perfectly; it should not be too small or too large. A proper fit minimizes the risk of your baby getting stuck between the mattress and the crib sides.
- Certification: Look for certifications like Greenguard Gold or CertiPUR-US, which indicate that the mattress has been tested for harmful substances. These certifications provide peace of mind regarding the materials used in the mattress construction.
How Does Mattress Firmness Impact Infant Safety and Comfort?
The firmness of a crib mattress is crucial for both infant safety and comfort, influencing sleep quality and reducing the risk of suffocation.
- Safety Standards: The firmness of a crib mattress is essential to meet safety guidelines established by organizations like the Consumer Product Safety Commission (CPSC).
- Support for Developing Bodies: A firm mattress provides adequate support for an infant’s developing bones and muscles, promoting healthy growth.
- Reduced Risk of Suffocation: Firm mattresses minimize the risk of suffocation by preventing the infant from sinking into the mattress, allowing for proper airflow.
- Sleep Quality: A firmer surface can help infants feel more secure, potentially leading to longer, more restful sleep periods.
- Temperature Regulation: Firmer mattresses often allow for better air circulation, helping to regulate an infant’s body temperature during sleep.
Safety Standards: The firmness of a crib mattress is essential to meet safety guidelines established by organizations like the Consumer Product Safety Commission (CPSC). These standards ensure that the mattress does not conform to the shape of the baby’s body, which can lead to unsafe sleep positions and increase the risk of sudden infant death syndrome (SIDS).
Support for Developing Bodies: A firm mattress provides adequate support for an infant’s developing bones and muscles, promoting healthy growth. Infants need a surface that supports their weight evenly, which helps in maintaining proper posture and alignment while they sleep.
Reduced Risk of Suffocation: Firm mattresses minimize the risk of suffocation by preventing the infant from sinking into the mattress, allowing for proper airflow. This is particularly important in the early months when babies are unable to reposition themselves if they roll into a potentially dangerous position.
Sleep Quality: A firmer surface can help infants feel more secure, potentially leading to longer, more restful sleep periods. Infants often sleep better when they feel stable and supported, which can also contribute to a more peaceful sleep environment for parents.
Temperature Regulation: Firmer mattresses often allow for better air circulation, helping to regulate an infant’s body temperature during sleep. This prevents overheating, which is another risk factor associated with SIDS, ensuring that babies remain comfortable throughout the night.
What Materials Are Safe for Crib Mattresses?
When selecting a crib mattress for your baby, it’s essential to consider materials that ensure safety and comfort.
- Organic Cotton: Organic cotton is grown without harmful pesticides and chemicals, making it a safe choice for infants. It is breathable, hypoallergenic, and provides a soft surface for your baby to sleep on while also being easy to clean.
- Innerspring: Innerspring mattresses offer firm support through coils and are often encased in a layer of organic cotton or wool. They are durable and can help maintain the proper posture for a growing baby, which is crucial for their development.
- Memory Foam: CertiPUR-US certified memory foam mattresses are made without harmful chemicals and are designed to be firm enough for infants. They can contour to your baby’s body, providing comfort while still maintaining safety standards.
- Natural Latex: Natural latex is derived from rubber trees and is resistant to dust mites and mold, making it a hypoallergenic option. It offers excellent support and durability, ensuring the mattress remains firm and safe for your baby over time.
- Wool: Wool is a natural flame retardant and helps regulate temperature due to its moisture-wicking properties. It can provide a comfortable sleeping environment for your baby while also being a sustainable choice.
- Waterproof Covers: While not a mattress material per se, waterproof covers protect the mattress from spills and accidents. They are essential for maintaining hygiene and extending the life of the mattress by preventing moisture damage.
Are Organic Crib Mattresses Worth the Investment?
Organic crib mattresses are often considered a worthwhile investment for parents seeking a safe and healthy sleep environment for their babies.
- Non-Toxic Materials: Organic crib mattresses are made from natural materials such as organic cotton, wool, or latex, free from harmful chemicals and toxins. This reduces the risk of exposing infants to potentially harmful substances that can be found in conventional mattresses, promoting better health and peace of mind for parents.
- Breathability and Temperature Regulation: Many organic mattresses are designed with breathability in mind, allowing for better airflow and temperature regulation. This helps keep babies comfortable while they sleep, which is particularly important since infants can be sensitive to overheating or being too cold.
- Durability and Longevity: Organic crib mattresses often boast higher durability due to their quality materials and construction. Investing in a well-made mattress can save parents money in the long run, as these products tend to last longer and can be used for future siblings or even converted into toddler beds.
- Eco-Friendly Production: Many organic crib mattresses are produced using sustainable practices, which can be a significant consideration for environmentally conscious families. Choosing an organic option supports eco-friendly agriculture and manufacturing processes, contributing to a healthier planet.
- Hypoallergenic Properties: Organic materials are generally less likely to cause allergic reactions, making these mattresses a suitable choice for babies with sensitive skin or allergies. This feature ensures a safer sleeping environment, reducing the likelihood of respiratory or skin irritations.
What Are the Top Recommended Crib Mattresses for Babies?
The top recommended crib mattresses for babies focus on safety, comfort, and durability.
- Newton Baby Crib Mattress: This mattress is made from breathable materials that allow for better airflow and temperature regulation, ensuring a safe sleep environment. Its unique design is washable and features a removable cover, making it easy to maintain hygiene.
- Sealy Baby Posturepedic Crib Mattress: Known for its firm support, this mattress is designed with a dual-sided feature, offering a firmer side for infants and a softer side for toddlers. It also includes a waterproof cover and is made with high-quality materials to provide long-lasting use.
- Graco Premium Foam Crib Mattress: This mattress is made from high-density foam that provides excellent support while remaining lightweight and easy to handle. Its waterproof and removable cover simplifies cleaning, making it a practical choice for busy parents.
- Naturepedic Organic Crib Mattress: This eco-friendly option is made from organic materials, ensuring no harmful chemicals are present. It features a waterproof surface made from food-grade polyethylene, which is easy to clean and promotes a safe sleeping environment for your baby.
- Serta Perfect Start Crib Mattress: Combining comfort and support, this mattress features a high-density foam core to provide a firm sleeping surface. It also has a waterproof cover to protect against spills and accidents, making it a reliable choice for parents.
Which Crib Mattress Offers the Best Durability and Value?
The Sealy Baby Posturepedic Crib Mattress is designed to provide optimal support for a growing baby, utilizing high-density foam that adapts to the baby’s body. The dual-sided feature allows parents to use a firmer side for infants and a softer side for toddlers, enhancing its longevity and value.
The Graco Premium Foam Crib Mattress is both affordable and functional, featuring a lightweight foam structure that makes it easy to handle. Its waterproof cover protects against spills and accidents, ensuring the mattress remains clean and hygienic over time.
The Naturepedic Organic Crib Mattress stands out for its commitment to non-toxic and organic materials, making it an ideal choice for environmentally-conscious parents. This mattress is free from harmful chemicals, ensuring a safe sleeping environment for the baby while still providing comfort and support.
The Colgate Eco Classica III Crib Mattress is designed with a dual-sided approach, offering a firmer surface for infants and a softer side for toddlers, which extends its usability. Made with eco-friendly materials, it appeals to parents looking for sustainable and safe options for their child’s sleep space.
What Are the Best Budget-Friendly Options for Crib Mattresses?
Some of the best budget-friendly options for crib mattresses include:
- Graco Premium Foam Crib Mattress: This lightweight and affordable foam mattress provides excellent support for infants and toddlers.
- Safety 1st Transitions Crib Mattress: This dual-sided mattress features a firm side for infants and a softer side for toddlers, offering versatility as your child grows.
- Dream On Me 2-in-1 Crib Mattress: A budget-friendly option that boasts a waterproof cover and two different firmness levels, making it suitable for different age groups.
- Sealy Baby Firm Rest Crib Mattress: Known for its durability and support, this mattress is made with eco-friendly materials and offers a firm sleeping surface for infants.
- Newton Baby Crib Mattress: Although slightly higher in price, it offers a breathable design and is washable, making it a great investment for long-term use.
The Graco Premium Foam Crib Mattress is designed to be lightweight for easy handling and provides a comfortable sleeping surface for babies, ensuring they receive adequate support during their growth stages. Its foam construction is also hypoallergenic, making it a safe choice for sensitive infants.
The Safety 1st Transitions Crib Mattress stands out due to its dual-sided feature, allowing parents to flip the mattress as their child grows. One side is firmer for infants, while the other is softer for toddlers, making it a cost-effective investment that adapts to changing needs.
Dream On Me 2-in-1 Crib Mattress is a versatile option that combines affordability with practicality, featuring a waterproof cover that makes cleaning easy. Its two firmness levels cater to different developmental stages, ensuring that the mattress remains suitable as your child ages.
The Sealy Baby Firm Rest Crib Mattress is made from eco-friendly materials and provides a firm and supportive sleeping surface, which is essential for infants. Its durability ensures it can withstand years of use, making it a reliable choice for budget-conscious parents.
Newton Baby Crib Mattress, while on the higher end of budget options, offers a unique breathable design that promotes airflow and reduces the risk of overheating. Its washable nature adds to its appeal, as it can be kept clean and hygienic, making it a worthwhile option for long-term use in a growing household.
How Can You Ensure the Longevity and Care of Your Crib Mattress?
To ensure the longevity and care of your crib mattress, consider the following practices:
- Regular Cleaning: Keeping your crib mattress clean is essential for hygiene and durability.
- Proper Storage: When not in use, store the mattress correctly to prevent damage.
- Use a Waterproof Cover: A waterproof cover protects the mattress from spills and accidents.
- Avoid Excessive Moisture: Moisture can lead to mold and mildew, so it’s important to keep the mattress dry.
- Rotate the Mattress: Regularly rotating the mattress can help prevent sagging and uneven wear.
- Follow Manufacturer Guidelines: Adhering to care instructions provided by the manufacturer is crucial for maintaining warranty and longevity.
Regular Cleaning: It’s important to clean your crib mattress regularly to remove dust, allergens, and any spills. Use a gentle soap and warm water solution for spot cleaning, and ensure it is completely dry before covering it again to prevent mold growth.
Proper Storage: If you need to store the mattress for any reason, make sure it is kept in a cool, dry place and elevated off the ground to avoid moisture absorption. Avoid stacking other items on top of the mattress to prevent warping and damage.
Use a Waterproof Cover: Investing in a high-quality waterproof cover can greatly extend the life of your crib mattress by preventing liquids from seeping in. This not only protects against spills but also against general wear and tear from a baby’s activities.
Avoid Excessive Moisture: Always keep the crib mattress in a dry environment, avoiding places where humidity is high. If the mattress does get wet, dry it thoroughly before putting it back in use to prevent the growth of mold and mildew.
Rotate the Mattress: By rotating the mattress regularly, you can ensure that it wears evenly and maintains its shape. This simple practice can extend the usability of the mattress significantly, providing a comfortable sleeping surface for your baby.
Follow Manufacturer Guidelines: Each crib mattress comes with specific care instructions from the manufacturer, which may include recommendations for cleaning and maintenance. Following these guidelines is essential for preserving the mattress’s integrity and ensuring it remains safe for your baby.
What Safety Standards Should You Look for in a Crib Mattress?
When selecting the best crib mattress for baby, it’s essential to consider several safety standards to ensure your child’s safety and comfort.
- CertiPUR-US Certification: This certification indicates that the foam used in the mattress is made without harmful chemicals like formaldehyde and heavy metals, ensuring a safer sleeping environment for your baby.
- Greenguard Gold Certification: Mattresses with this certification have been tested for thousands of chemicals and are deemed safe for use in indoor environments, reducing the risk of exposure to harmful substances.
- Meets Federal Flammability Standards: A crib mattress should meet the federal flammability standards, which require that the mattress is resistant to open flame, providing an additional layer of safety for your baby.
- Non-Toxic Materials: Look for mattresses made from organic cotton, natural latex, or other non-toxic materials, which are less likely to emit volatile organic compounds (VOCs) and are safer for your child’s health.
- Firmness and Support Standards: A crib mattress should be firm enough to provide proper support for your baby, preventing suffocation risks and ensuring a safe sleep surface as recommended by pediatricians.
- Safety Certifications from Consumer Product Safety Commission (CPSC): Ensure the mattress complies with the CPSC regulations, which set guidelines for the design and manufacture of crib mattresses to ensure they are safe for infants.
- Waterproof and Easy to Clean: While not a safety standard per se, a waterproof cover helps prevent the growth of mold and bacteria, making the mattress maintenance easier and ensuring a hygienic sleeping environment.