Dream On Me, 3 Spring Coil Mini/Portable Crib Mattress In White is of supreme comfort and quality for newborn, infant and toddler. You no longer need to purchase a standard size crib to get the comfort and support of a full-size mattress. This Portable/Mini crib mattress features interwoven steel coils that are wrapped in hypoallergenic, polyurethane foam and protected with a waterproof cover with Lock Stitch venting. The waterproof, hypoallergenic, antibacterial, cover aids in the prevention of mold, mildew and odor and easily clean with a cloth with warm water and mild soap. This mattress passes the Federal Standard Flammability Standard 16 CFR 1633. Designed to fit a standard 24” x 38” Portable/Mini Crib.