Product Description The Sealy Cozy Cool Hybrid 2-Stage Coil and Gel Crib Mattress combines the best of both worlds - a long lasting 204 coil innerspring system, plus a cozy Soybean Cool Gel memory foam topper. The mattress is enhanced with a high 6-gauge perimeter border wire and EverEdge corner and side protectors for the best firmness all around. Soybeans are a renewable resource and help create a comfortable foam with a natural touch. Soft cotton cover is pvc-free, breathable and completely waterproof so liquids wont seep through. Measures 51.63 x 27.25 x 5.75 and fits both USA standard size cribs and toddler beds. More babies sleep on a Sealy than any other brand in the USA. Sealy proudly supports infants and toddlers with industry-leading crib mattresses known for safety, quality, comfort and premium support. Sealy is the leader in sleep technology and the best-selling crib mattress brand in North America. This crib mattress passes all the latest ASTM tests for proper crib fit sizing, lock-stitched binding for safety and help educate caregivers about safe sleep and SIDS. 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. Tested for a snug fit inside standard cribs and toddler beds for years of use. From the Manufacturer Sealy Baby offers the most trusted crib mattresses and offers safe, supportive, and comfortable toddler bed mattresses, bedside baby bassinets and protective premium crib bedding that parents have depended on for decades. As the leader in safe sleep, comfort, and lasting quality for years, more babies sleep on a Sealy than any other brand in the USA. Sealy Baby crib mattresses are firmness tested to help reduce the risk of suffocation and provide a supportive sleeping surface. In addition, 100% of Sealy Baby crib mattresses are American made by experts who help create industry standards to ensure safety and quality for infants and toddlers. Every baby mattress is Non-Toxic, ASTM Certified, CPSIA Certified and Greenguard Gold Air Quality Certified for a healthier sleeping environment, tested for low chemical emissions, and are made without harsh chemicals for a safer sleep. Sealy Baby's collection of breathable bassinets, bedside sleepers, comfortable diaper changing pads and top-rated, hypoallergenic protective crib mattress pads and encasements are nursery essentials and baby registry must haves that every new parent desires for their newborn. Parents rest easier with a trusted brand, quality products and customer care that is always here to help your family sleep better.