Make sure your baby sleeps peacefully with this extra-firm standard crib mattress. Thick foam provides comfort as your little one snoozes, while the high-quality vinyl construction ensures lasting use.Dream on Me 5E5G contemporary orthopedic extra-firm standard crib mattressWaterproof cover prevents odor and mildewAntibacterial, antimicrobial, and hypoallergenicPhthalate- and lead-freeWipes clean with mild soap and warm waterComplies with the Federal Standard Flammability Standard 16 CFR 1633Made from high-quality vinyl and 5-inch thick foamGreenguard certified 10-year warrantyDimensions: 6X52X27