The perfect cushion for active people and those who are at lower risk for decubitus ulcers, the ventilated, 2-3/4-inch thick, doublelayered Stimulite Slimline cushion is designed with a low profile and weighs only 3 pounds. Adductors, an abductor and a rear dish form a subtle contour for optimal comfort and support. Total Pressure Management®? Mild Contour and Profile is Ideal for Active Users 2-3/4" thick 3 lbs. machine washable; dryer safe standard sizes: 14" x 16", 16" x 16", 16" x 18", 18" x 16", 18" x 18", 18" x 20", 20" x 16", 20" x 18", 20" x 20" non-standard sizes include: 14" to 18", 19" to 20"; additional sizes and special cuts available. flat or sling bottom available with polyester or sheepskin cover ?