Sojoy iGelComfort Enhanced Multi-Use (Car/Truck/Office/Home/Outside) Gel Seat Cushion with Memory Foam (Black) (16X16X1) Sojoy iGelComfort significant gel-foam technology grantee best comfort than gel or foam alone. Absolutely the most comfortable gel seat cushion available. Low-profile comfort. Only 1.5 in. " thick of ultra-soft viscoelastic Ultra gel cast directly onto one inch of ultra-vie foam guarantees perfect body-conforming fit to the user's anatomy ensuring all day, pain free sitting comfort. Reduces road and vehicle vibration, enhances fatigue resistance for long-haul or every-day driving. These durable removable zippered covers, with conformable top surface and non-slip friction grip bottom ensure maximum comfort preventing sliding on most surfaces. Covers are water and spill-proof for easy cleaning. Color Black, safe for hand washing. Air dry recommended.