Standard:The standard in gel/foam cushions! A gel bladder is positioned between two thick pieces of high-density high-resiliency foam for superior weight distribution and pressure relief. The bladder rests in a cutout section of the bottom foam piece to keep the cushion level and the get beneath the patient. The best value in seating. Comes standard with wet proof nylon cover. Standard size is 2" x 16" x 18". Custom sizes available.

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