Pressure redistribuiton & cooling of a water based gel. High-density foam prevents bottoming-out. Cover is launderable & vinyl inner cover wipes clean for easy care and prevents urine from entering cushion.   #751010-16x16     #751011-18x16    #751013-18x18    #751012-20x16   #751014-20x18 Latex Free UNSPSC#42141705