The Sealy Soybean Crib Mattress is an excellent lightweight infant and toddler baby mattress for your baby, and a perfect fit for your favorite crib or toddler bed. The cover is a reinforced, breathable waterproof surface that wipes clean easily with a damp cloth or mild soap and water. This cover acts as a moisture barrier to keep messy liquids from seeping inside the mattress. A protective cotton wrap encircles the mattress for extra cushioning all around and side-sleeping toddlers will feel cozy on this mattress. 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. Measures 51.63 x 27.25 x 5 and fits both USA standard size cribs and toddler beds.