Bariatric Mattress High quality, 2.6 lb/cubic foot density foam provides comfortable, firm support. Durable 11 ounce vinyl cover is antibacterial and waterproof for easy use and care. Latex Free INVBARMATT42: Fire Retardant Versions (FRV) are required for all foam mattresses sold in the US beginning 7/1/07. FRV conforms to all state and federal codes Cal T.B. 117,129,603 and 2000 NFPA 101 (Life Safety Code), ASME1590. Federal Standards 16CFR1632, 16CFR1633 and BFDIX-11. This product is oversized. Allow 2 weeks for delivery.