Sealy Baby Flex Cool 2 Stage Crib Mattress and Toddler Bed Mattress, Breathable Hybrid Coil Design, Waterproof Cotton Surface, GREENGUARD GOLD Certified, Standard 52×28 Size

Give your baby the perfect balance of comfort, safety, and support with the Sealy FlexCool 2-Stage Baby waterproof crib mattress and Toddler Mattress. Designed with premium materials and trusted craftsmanship, this breathable crib mattress grows with your child from newborn to toddler years. The natural cotton cover promotes airflow and breathability, keeping baby’s sleep environment cool and comfortable, while a built-in airflow pocket enhances ventilation. Multiple layers of sustainable cotton cushioning surround a 204 heat-tempered interwoven coil system that flexes under baby’s movement for targeted support. The steel edge frame and corner pillars create firm, supportive sides for a secure sheet fit and lasting durability. Parents love the PVC-free waterproof barrier that protects against leaks and accidents without sacrificing breathability or quietness. All Sealy Crib Mattresses meet or exceed strict ASTM safety, flammability, durability, and air quality standards, including GREENGUARD Gold Certification for a healthier indoor environment. It’s also compliant with the Children’s Safe Products Act and made without phthalates, lead, latex, or harsh VOCs. Measuring approximately 52″ x 28″ x 5.5″, this lightweight standard size crib mattress fits snugly in most cribs and toddler beds, making sheet changes quick and easy. Proudly made in the USA, Sealy Baby mattresses are trusted by families for their proven quality, safe materials, and superior comfort. Add the Sealy FlexCool 2-Stage baby bed mattress to your baby registry essentials for a peaceful night’s sleep—both for your little one and for you.
COOL, BREATHABLE SLEEP SURFACE: Natural cotton cover with airy channels helps this crib mattress circulate air around baby’s body for a cooler, more comfortable sleep environment, while a quiet, PVC-free waterproof barrier keeps the mattress dry and protected from overnight leaks for easier cleanup and added peace of mind for busy parents
TWO-STAGE GROW-WITH-ME SUPPORT: Versatile 2-stage dual sided crib mattress design features a firmer infant side that helps support newborns during early development and a more comfortably cushioned side tailored for a full size toddler mattress, offering consistent, age-appropriate firmness from baby’s first nights through the toddler bed years while maintaining a snug 52″ x 28″ fit in standard full size cribs and toddler beds for confident use as your child grows
HEALTHIER LOW-EMISSION SLEEP SPACE: GREENGUARD GOLD Certified for low chemical emissions, this non toxic crib mattress supports a healthier indoor environment for baby’s nursery, helping parents create a safer, more protected sleep space around their full size crib and toddler bed as their child grows
LONG-LASTING POSTURE-SMART SUPPORT: Durable American steel coil support system in this full size crib mattress gently flexes to align with baby’s body for stable posture support, while reinforced steel edges with corner and side strength pillars help maintain an even, consistent sleep surface as your child transitions from infant crib mattress to toddler bed use over time
TRUSTED USA-CRAFTED DURABILITY: Proudly made in the USA in a single specialized facility, this Sealy baby crib mattress is engineered by an expert crib mattress team for consistent quality and long-lasting performance, reinforcing Sealy’s reputation as America’s Most Trusted mattress brand and giving parents confidence they’ve chosen a reliable crib mattress and toddler bed mattress for years of safe, dependable use
Pair with Sealy Crib Mattress Protector – For the perfect pair, complete your Sealy toddler bed mattress with a coordinating Sealy Crib Mattress Pad (available in 1-pack and 2-pack options)