About This Vinyl Pressure Relief & Redistribution: Designed to aid in slide control and leg abduction, providing effective pressure relief and distribution for better comfort. Firm Gel-Foam Cushion: Combines gel and high-density foam, reducing interface pressure and preventing posterior pelvic tilt, ensuring user stability. Low-Shear Vinyl Cover: Durable, wipe-clean vinyl with a low-shear design that reduces skin friction; can be laundered for convenient maintenance. Contoured Base Design: Features a contoured bottom to fit wheelchairs securely, eliminating the hammock effect and offering added stability. Skil-Care Specializes In: bed and wheelchair positioning, mattresses, skin protection, gait and transfer assistance, exercise, bariatric accessories, sensory stimulation, physical restraints and numerous other products that are essential. Overview Brand : Skil-Care Special Feature : Bagless Color : Gel-foam W/ Ls1 Cover Size : Firm Foundation 18"W x 3"H Fill Material : Gel-Foam