Fleece Supra SofGel Cushion (3.5" x 16" x 18") Feel the comfort of Gel! SofGel and foam gives the best weight distribution and support. Fleece (synthetic sheepskin) provides great comfort. Non skid material (black) reduces shifting in your seat. Helps reduce pressure sores, an anti-decubitus cushion. Features: Black non-skid material on the bottom Premium synthetic sheepskin (fleece) Foam & gel combination for best comfort Helps prevent pressure sores Made in America Includes: 1 x Fleece Supra SofGel Cushion (3.5" x 16" x 18")