The Gravity 7 Long Term Care Pressure Redistribution Mattress by Drive Medical is an economical option maximizes value and comfort with 3 full layers of foam available with or without raised side rails. Features Top layer uses unique die-cutting and a true memory foam heel section to optimize zoned pressure redistribution Bottom layer provides full length horizontally scored articulation cuts extending the durability and life of the mattress significantly. Cover is fire retardant, fluid proof, tear resistant, low shear, and easy to clean. Specifications Cover Material Fluid-Resistant Nylon Top | Waterproof Vinyl Bottom Mattress Layers of Foam 3 Dedicated Heel Section Yes Weight Capacity 300 lbs Foam Warranty 7 year warranty Cover Warranty 1 year warranty 1 Each / Case