Dream On Me 3" Extra Firm Playard mattress creates a comfortable environment to play and sleep. This exceptional mattress is constructed with quality materials and workmanship in the USA and features a high density foam core, a non-allergenic, anti-bacterial waterproof cover that wipes clean with mild soap and water and aids in the prevention of mold, mildew and odor. This mattress also fits ALL Graco Pack n" Plays. Meets Federal Standard Flammability Standard 16-CFR 1633.