Sealy Flex Cool 2-Stage Crib Mattress


  • Premium Posture Support
  • Made in USA
  • Breathable Cotton Cover
  • Standard Crib Size
  • Waterproof Barrier
  • Click on the Sealy Flex Cool 2-Stage Crib Mattress ad below for the Best Price & Fast, Free Shipping!

Sealy Flex Cool 2-Stage Crib Mattress

Create cozy dreams with the best safety and durability on the Sealy Flex Cool 2-Stage Crib Mattress. With 204 American-made coils, the interwoven support system of this dual-sided crib mattress and toddler bed mattress adapts to your child’s movement, creating long-lasting support and comfort to grow with your baby or toddler. 

This unique “grow-with-me” baby mattress design offers a firmer infant side and extra cozy layers on the toddler side. Premium coils offer superior posture support and are tested to greater standards than a foam crib mattress. This breathable crib mattress also includes cotton and sustainable cushioning and a PVC-free, soft cotton cover so it’s light and airy on the baby’s skin. A waterproof crib mattress barrier on the underside of the cover leaves the baby mattress comfortable and breathable on the surface while protecting the mattress from leaky messes. 

All Sealy crib mattress materials have passed the strictest chemical and air quality tests, including GREENGUARD GOLD Certification, so you can know your baby is sleeping in a safe space. It also passes all ASTM crib mattress standards for safety and quality. The baby crib mattress is free of harsh chemicals and fire retardants. 

Sealy crib mattresses fit inside any standard crib and toddler bed. Full-size crib mattress measures 52″ L x 28″ W x 5.5″. Parents trust Sealy for premium quality, support, and comfort materials locally sourced and made in the USA. Our American-made coils, cushioning, and foams are screened for harmful chemicals and our standards have changed the industry. 

More babies sleep on a Sealy than any other brand – our selection includes coil, foam, hybrid, sustainable fiber, airy cores, cool gels, and materials tested for safe use with infants and toddlers. The longevity of the Sealy FlexCool breathable crib mattress and toddler bed mattress makes it one of the best gift ideas around- and a staple on any baby registry must-haves list!

Product Features

  • Trusted Safety and Quality: Our dual-sided crib mattress and toddler mattress is GREENGUARD GOLD, ASTM, CPSIA, and CertiPUR-US Certified, CHCC tested, free of harsh chemicals and top-rated for safety — so both you and baby can rest easy
  • 2-Stage Dual Firmness: Grow-with-me baby crib mattress design offers a firmer infant side ideal for developing newborns and a cozier side for toddlers. Crib mattress features secure steel edges and comfy, breathable layers that flex under baby’s weight
  • Breathable Cotton Cover and 100% Waterproof Barrier: Easy-clean, woven cotton fabric is light & airy on baby’s skin. PVC-free waterproof barrier keeps crib mattress/toddler bed free of messes. Specially designed airflow pocket helps crib mattress breathe
  • Premium Posture Support: Crib mattress includes 204 durable steel coils to respond to baby’s movement for the best support. Sturdy, long-lasting coils are tested to more standards than foam mattresses. Responsive design and cushioning comfort baby’s body
  • Proudly Made in The USA: Sealy baby crib mattresses fit all US standard-size infant cribs and toddler beds. Lightweight design makes it easy to flip or change sheets. Lifetime warranty. No fire retardants. Measures 52″L x 28″W x 5.5″

Sealy Flex Cool 2-Stage Crib Mattress Review

About the Brand

Trusted Sealy Brand – A Proud Supporter of You!
Sealy proudly supports infants and toddlers with industry-leading crib mattresses that go above and beyond when it comes to safety, quality, comfort and premium support.

Every Sealy crib mattress passes GREENGUARD GOLD Certification, CPSIA testing so it does not contain lead, phthalates, passes ASTM crib mattress standards, passes Chemicals of High Concern to Children regulations from WA State, as well as testing on firmness, durability and resiliency.

Additional information

Weight 14.9 lbs
Dimensions 27 × 5.75 × 51.63 in



Flex Cool 2-Stage




Standard Crib




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