Visco bariatric cushion for pressure relief and redistribution for extreme bariatrics. Top layer of Gel-Infused Visco-elastic foam, middle layer of high-density foam adds comfort and cushioning. A Firm Foundation controls sling-seat hammocking. 3-part design prevents bottoming-out.   #754750-16x16x3 Each   #754755-18x16x3 Each   #754757-20x16x3 Each Latex Free  UNSPSC#42141705