Seat Cushion For Car, Truck, Home And Office - Unique Design Provides All Day Relief for Back, Sciatica And Coccyx. Non Slip Bottom Keeps It Firm In Your Chair. By MaxCushion (BLACK) NEW ORTHOPEDIC CUSHION DESIGN - Developed by doctors provides relief for a variety of conditions including tailbone sensitivity, hemorrhoids, coccyx and back pain. ALL DAY COMFORT - Ergonomic design contours to comfortably provide all-day support while driving, at the office or home. PROVIDES BETTER RELIEF THAN OTHER DESIGNS - Multiple relief points using corner lobes in key areas provide multiple relief points and improve balance over other cushion designs. HIGH QUALITY CUSHION - Made from premium grade memory foam and fabric designed to LAST. 100% SATISFACTION GUARANTEE - We stand behind our product and will replace or refund your purchase if not satisfied.