Pack and Play Mattress Topper Baby Pack N Play Mattresses for Playpen and Playard with Washable Cover 38"x26"x1.5", 1 Pack Firm Foam Size 38"x26"x1.5" Product Dimensions 38"L x 26"W x 1.5"Th Item Firmness Description Firm Top Style Tight Top Cover Material Polyester Pack and play mattress: Perfect fits for 38 x 26 playard, 2 pack offer for more options, provide a safer playing space for baby. Meet the federal standards: Within the thickness range specified by federal standards, don’t worry about security issues. Waterproof cover: Removable and machine washable cover with zippered. Keep it clean: Easy to clean and maintain, wipe clean with mild soap and warm water. CertiPUR-US certified foam: Without PBDEs, TDCPP or TCEP ("Tris") flame retardants, lead, mercury, formaldehyde, heavy metals, phthalates.