https://www.ebay.com/sch/i.html?_nkw=Relax+Duogel+18X16X3+Inch&_sacat=0&_dmd=2

Relax Duogel, 18X16X3 Inch

Regular price
$299.00
Sale price
$210.00

Relax Duogel For medium-to-high risk patients. Trugel and FloGel provide excellent pressure relief and weight distribution. The anatomically-shaped foam base helps maintain posture and support. Only 5-1/2 lbs. Waterproof, washable cover. The stretchable, breathable cover reduces skin shear and friction. Cover labeled top and back. 300-lb. capacity.