The Graco Ultra Premium 2-in-1 Crib and Toddler Mattress is the best mattress choice for your newborn, infant or toddler. Awarded the 2020 Women's Choice Award for 9 out of 10 Customer Recommended Crib and Toddler Mattress, the Graco Ultra 2-in-1 Premium Crib and Toddler Bed Mattress is designed to fit any standard full-size crib and toddler bed and has 2 sides to grow with your baby from newborn to toddler. The infant side is the ideal recommended firmness for infants, while the toddler side is softer for your toddler's comfort. This mattress features a water-resistant, removable, and washable cover making it easy for parents to keep their baby's sleep environment clean and cozy. The ideal firmness for infant safety and development, this mattress features a core made of high-quality, breathable foam to maximize air flow. Backed by a 6-year limited manufacturer's warranty, the Graco Ultra 2-in-1 Premium Crib and Toddler Bed Mattress is Greenguard Gold certified, free from prohibited phthalates, lead, and mercury, and meets or exceeds all applicable ASTM International, CPSC and federal flammability standards. To wash the outer cover, hand wash or machine wash with cold water on delicate cycle, and hang to dry only (do not place in dryer). For optimal performance, unroll your mattress within 2 weeks of purchase to allow for full and proper expansion, in a room temperature setting. Graco mattresses are exclusively manufactured by Storkcraft, an industry leader in baby and kids furniture since 1945. This award-winning 2-sided baby crib and toddler bed mattress ships compressed in a lightweight box for ultimate convenience. For optimal performance, unroll your mattress within 2 weeks of purchase to allow for proper expansion in a room temperature setting. This crib and toddler mattress’ soft, 100% polyester outer cover is water-resistant, removable and machine washable; Gently unzip the outer cover, wash in cold water (delicate cycle only, no bleach) and hang dry (do not place in dryer machine); quick-wash feature on toddler side for convenience. Recommended mattress firmness for infant's safer sleep; Mattress core made of high-quality, breathable foam to maximize air flow; When baby grows, flip mattress to toddler side for a softer sleep surface. This mattress is designed to fit any standard full-size crib and toddler bed. Length 52 in. x width 28 in. x Height up to 6 in.; Mattress made of polyurethane foam.