(Last Update: 11/05/2025)
Are you looking for the best crib mattress for your baby or toddler?
Look no further than a Sealy Crib Mattress!
Sealy is well-known within the industry as one of the most popular, top-rated, and highly praised brands for baby mattresses.
- Sealy® is America's #1 Mattress Brand. It is trusted by consumers and tested above industry standards. Over 100 million mattresses have been sold worldwide.
- The brand was voted the most trusted mattress brand in 2021 by the BrandSpark American Trust Study. Sealy proudly supports infants and toddlers with its industry-leading crib mattresses.
- From their quality craftsmanship and great designs to their luxurious comfort and smart safety features, these beds give your little ones the ultimate experience.
At the same time, they sleep – something that mommy and daddy can both appreciate!
This blog post will examine why parents everywhere love Sealy Baby Crib Mattresses.
Sealy Flex Cool 2-Stage Waterproof Airy Dual Firmness Baby Crib and Toddler Mattress
Price: $129.97
Rating: 4.6 ★ (2,939 reviews)
- CONSTRUCTION AND MATERIAL QUALITY
- Built with 204 premium steel coils that deliver stable, long-lasting posture support for infants and toddlers.
SAFETY AND CERTIFICATIONS
- Rigorously tested to meet ASTM, CPSIA, and CHCC infant sleep safety standards.
- GREENGUARD Gold Certified for low VOC emissions, creating cleaner indoor air quality.
- Waterproof, antibacterial cover resists mold, odors, and allergens, keeping your baby safe and comfortable.
- Features an airy cotton cover and a durable waterproof barrier for easy cleaning and lasting freshness.
- Certified GREENGUARD Gold, ensuring low chemical emissions and a healthier nursery environment.
SIZE, FIT, AND USABILITY
- Fits all standard U.S. cribs and toddler beds (52" x 28") with a snug, secure fit.
- Lightweight design allows quick sheet changes and easy movement within the nursery.
- Includes a lifetime warranty, ensuring parents long-term peace of mind and reliable durability.
MY VERDICT:
The Sealy Flex Cool 2-Stage Crib Mattress delivers superior comfort, safety, and longevity. With dual firmness, waterproof protection, and certified low emissions, it’s an ideal choice for growing babies and peace-of-mind parents.
Sealy OptiCool 2-Stage Cool Gel Foam Waterproof Baby Crib and Toddler Mattress
Price: $112.07
Rating: 4.6 ★ (713 reviews)
CONSTRUCTION AND MATERIAL QUALITY
- Features cool gel-infused polyurethane foam that balances firmness with temperature regulation for infants and toddlers.
- Includes an organic cotton breathable cover and a waterproof barrier to maintain hygiene and durability.
- Built to last through years of use, providing consistent comfort and optimal support as your child grows.
SAFETY AND CERTIFICATIONS
- GREENGUARD Gold Air Quality Certified, tested for over 10,000 chemicals and VOC pollutants.
- Meets ASTM, CPSIA, and CHCC standards for infant safety and low indoor emissions.
- Hypoallergenic construction resists mold, allergens, and odors—ideal for sensitive newborns and toddlers.
- SIZE, FIT, AND USABILITY
- Fits standard U.S. cribs and toddler beds (52” x 28” x 5.5”) with square corners for a secure fit.
MY VERDICT:
The Sealy OptiCool 2-Stage Crib Mattress delivers cool comfort, eco-friendly design, and trusted safety certifications—an excellent investment for parents seeking a durable, breathable, and hypoallergenic mattress for years of peaceful sleep.
- Lightweight design (12 lbs.) makes changing sheets effortless.
- Made with sustainable soybean oils sourced from American farmers for eco-friendly performance.
Sealy Perfect Rest Waterproof Baby Crib and Toddler Extra Firm Mattress
Price: $65.99
Rating: 4.6 ★ (1,212 reviews)
CONSTRUCTION AND MATERIAL QUALITY
- Built with premium steel coils for extra-firm, stable support ideal for infants and toddlers.
- Features 100% waterproof surface and airy cushioning layers that enhance breathability and comfort.
- PVC-free design ensures long-lasting protection against stains, moisture, and harsh VOCs.
SAFETY AND CERTIFICATIONS
- GREENGUARD Gold Certified for improved indoor air quality and reduced exposure to harmful chemicals.
- Passes CHCC (Chemicals of High Concern to Children) state regulations for material safety.
- Rigorously tested for durability, flammability, and lead compliance, ensuring peace of mind for parents.
SIZE, FIT, AND USABILITY
- Fits all standard U.S. cribs and toddler beds (51.7” × 27.3” × 5.25”) with a snug, gap-free design.
- Easy to clean with a wipeable waterproof barrier for quick nursery upkeep.
- Lightweight construction makes sheet changes fast and effortless.
MY VERDICT:
The Sealy Perfect Rest 2-Stage Crib Mattress offers firm, durable support with trusted certifications and waterproof protection—an excellent, long-lasting choice for parents prioritizing baby safety and everyday convenience.
Sealy Baby Firm Rest Antibacterial Waterproof Baby Crib and Toddler Bed Mattress
Price: $89.99
Rating: 4.6 ★ (1,915 reviews)
CONSTRUCTION AND MATERIAL QUALITY
- Built with Earth-friendly materials that offer durability and long-term support for infants and toddlers.
- Airy cushioning layers balance firmness with comfort, promoting a peaceful night’s rest.
- Includes a full perimeter border wire for stability and shape retention over time.
SAFETY AND CERTIFICATIONS
- GREENGUARD Gold Certified for indoor air quality and tested for low VOC emissions.
- Meets ASTM, CPSIA, and Children’s Safe Products Act standards for material safety and firmness.
- Features an EPA-registered antibacterial waterproof cover that resists bacteria, stains, and odors.
- CONSTRUCTION AND MATERIAL QUALITY
- Built with Earth-friendly materials that offer durability and long-term support for infants and toddlers.
- SIZE, FIT, AND USABILITY
- Fits standard U.S. cribs and toddler beds (51.63” × 27.25” × 5.5”) with a snug fit.
MY VERDICT:
The Sealy Baby Firm Rest Mattress combines firm support, antibacterial safety, and eco-friendly durability—making it a trusted choice for parents who value hygiene, comfort, and certified protection for their growing baby.
Sealy Posture Haven 2-Stage Waterproof Baby Crib and Toddler Bed Mattress
Price: $109.99
Rating: 4.6 ★ (273 reviews)
CONSTRUCTION AND MATERIAL QUALITY
- Built with 182 premium posture coils made in the USA for lasting firmness and full-body support.
- Features a dual-firmness design with a firm infant side and a cozier toddler side.
- Antibacterial waterproof cover is lab-tested and EPA-registered to prevent bacterial growth and odors.
SAFETY AND CERTIFICATIONS
- GREENGUARD Gold Certified for superior indoor air quality and low chemical emissions.
- Meets ASTM, CPSIA, and CHCC safety standards for infants and toddlers.
- Rigorously tested for durability, firmness, and flammability compliance, ensuring safe, healthy sleep.
SIZE, FIT, AND USABILITY
- Fits all standard U.S. cribs and toddler beds (51.63” × 27.25” × 5.5”) securely.
- Lightweight structure simplifies sheet changes and rotation between infant and toddler sides.
- Includes a convenient side tag to easily identify the infant or toddler surface.
MY VERDICT:
The Sealy Posture Haven 2-Stage Mattress blends sturdy coil support with certified safety, waterproof convenience, and dual firmness—an excellent long-term investment for parents seeking comfort and reliability from infancy through toddlerhood.
Conclusion:
Researching crib mattresses is smart, and this blog post will give you the right information to make an informed decision.
The best way to ensure peace of mind when buying your crib mattress is to ensure it offers the comfort levels and support your baby needs for a good night's sleep.
So, consider looking through each Sealy mattress's features and benefits before purchasing - remember to read previous customer reviews, too!
While all three Sealy Mattress are great options for getting a good night's rest, ultimately, which one you choose should depend on your budget and your child’s preference.
FAQs
Are Sealy Standard crib mattresses safe?
Yes. Sealy crib mattresses meet or exceed all ASTM and CPSC safety standards, ensuring firm, supportive surfaces for infant sleep. They’re GREENGUARD Gold and CertiPUR-US certified, free from harsh chemicals and flame retardants, providing a safe, non-toxic environment for your baby’s growth and comfort.
What type of mattress is best for infants?
The best crib mattress for infants is firm, flat, and breathable to reduce suffocation risks and support spinal development. Sealy’s standard models use high-density foam or coil systems for proper firmness, waterproof protection, and airflow—making them ideal for newborn and early-infant sleep.
Does My Baby Need A Crib Mattress & Will It Make A Difference To Their Sleep?
Absolutely. A dedicated crib mattress like Sealy’s ensures proper spinal alignment, consistent firmness, and optimal comfort for safe, restful sleep. Unlike makeshift surfaces, Sealy’s infant mattresses support growth, reduce startle movements, and promote healthy sleep habits essential during early developmental stages.
At What Age Can Babies Sleep On A Soft Mattress?
Babies should always sleep on a firm mattress until at least 12 months of age to minimize SIDS risk. Sealy offers dual-sided designs—firm for infants, softer for toddlers—so parents can safely transition their child as they grow into the toddler stage.
How to clean Sealy crib mattress?
Cleaning a Sealy crib mattress is simple. Wipe the waterproof cover with mild soap and warm water, then air dry. Avoid harsh cleaners or soaking. For hybrid models with removable covers, machine wash on gentle cycle to maintain hygiene and long-lasting comfort for your baby.
