The Sealy Cool Comfort Premier crib mattress is a Premium 2-stage dual firmness grow-with-me crib mattress featuring our CooLuxe soybean cool gel memory foam and a light and airy cotton cover that is breathable on babys skin. This lightweight foam mattress weighs only 7 pounds to easily accommodate lifting and changing crib sheets and pads. An ultra-firm foam core creates a safe, flat surface for newborns and infants, a best-in-class dual firmness foam option to grow with your child. is the leader in sleep technology and the best-selling crib mattress brand in North America and proudly supports infants and toddlers with industry-leading crib mattresses known for safety, quality, comfort and premium support. This crib mattress passes all the latest ASTM crib mattress standards including proper crib fit. Meets the Childrens Safe Products Act and Chemicals of High Concern to Children regulations as introduced by states like Washington and Vermont, among others. Pass CPSIA testing for lead and phthalates and each component is air quality tested for a healthier indoor environment. This mattress is GREENGUARD Gold Certified, tested for harmful chemical emissions at an independent laboratory. Sealy crib mattresses are made in the USA and backed with a Lifetime warranty on all workmanship and materials. Use for infants and toddlers approximately 0-5 years. Measures 51.63 x 27.25 x 5.5 and fits both USA standard size cribs and toddler beds.