Wheelchair Cushion Foam Gel 24X18X3 E & J Duragel Base 3 Mattresses and Support Surfaces and Emergency Products including water Beverage Supplies and Emergency Products including water Dynarex Gauze Sponges are 100 percent sterile cotton gauze sponges Features a comfortable convoluted foam topper with a high density base foam Features a specialized Dura Gel™ center layer surrounded by comfortable foam layers on the top and bottom of the cushion The cover has a four way stretch top with a no slip base fabric and has a strap at the back to secure the cushion firmly to the chair Accommodates a wide range of body shapes The Dura Gel™ BASE 3G wheelchair cushion reduces surface pressure through the use of a support layer of non aqueous Dura Gel™