Gravity 8 Deluxe Long Term Care Pressure Redistribution Mattress is an outstanding combination of multi-layered die-cut and memory foam available with or without raised side rails. FeaturesMattress includes a 6 to 5 heel slope and a channel cut center layer of foam under the foot section to target heel ulcer prevention. 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 sheer, and easy to clean. SpecificationsCover Material Fluid Resistant Nylon Top Waterproof Vinyl Bottom Mattress Layers of Foam 3 Layers Side Rails Yes Dedicated Heel Section Yes Weight Capacity 350 lbs Warranty 10 Year Limited Warranty Foam 1 Year Warranty Cover 1 Each / Each