Wheelchair Cushion Foam Gel 20X18X3 E & J Duragel Base 3 Janitorial Bubble style pad effectively reduces UNGUNLK2 Bubble style pad effectively reduces pressure Automatic 5 minute cycle alternately inflates and deflates Heavy gauge Complete snake bite kit for emergency use The Dura Gel™ BASE 3G wheelchair cushion reduces surface pressure through the use of a support layer of non aqueous Dura Gel™ 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