This foam mattress provides comfortable support for the bariatric patient. The high density foam is covered with a fluid-resistant Nylon top and waterproof bottom. High-density foam mattress for the bariatric patient|Solid foam inner core provides comfort, support, and durability in a one-piece construction|The zippered nylon top cover is fluid-resistant and easy to clean for extended life and service; Vinyl bottom is waterproof|Fire Retardant: Mattress meets the requirements of 16 CFR Part 1632 and 16 CFR Part 1633