Sojoy iGelComfort Enhanced Gel Multi-Use Gel Seat Cushion with Memory Foam Silicon Anti-Slip (Classic Black, 1.5) Sojoy iGelComfort advanced gel-foam technology guarantees better comfort than only gel or only foam cushions. The most comfortable gel seat cushion available! Slim-profile comfort. 1.5" thick. 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 bumpy rides in your vehicle and fatigue in the long-haul and every-day driving. 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. Reversible for all types of weather: Cooling gel, smooth fabric side for the Summer, and thicker fabric skin side keeps you comfortable in the Winter.