Slide Guard Levels and Wedged Cushions with Soft FoundationA pressure relief and redistribution cushion that aids in slide control and leg abduction High density foam is designed to increase comfort and lowers pressure 4" foam pommel controls sliding by eliminating posterior pelvic tilt Incontinent resistant, vinyl cover prevents urine from entering cushion Low Shear I (LSI) launderable outer cover helps reduce skin damaging friction 1 each Gel Foam Slide Guard Wedge, Firm Foundation with Vinyl and LSI Cover,