Better Home Essentials Ortho-Buddy Seat Cushion. Enhanced Dual Layer Gel / High Density Memory Foam. Superior Orthopedic Coccyx Comfort Chair Pad. New and Improved Design (Gray) Gel / Memory Foam Hybrid Seat Cushion Design with Handle and Gripped Backing. Superior Quality Dual Layer Gel / Memory Foam Maintains Shape Over Long Stretches Of Time. Zippered, Machine-Washable Velour Cover With Handle, and Gripped Bottom Easily Removes For Cleaning. Two-layer Design Made From High-Grade Memory Foam and Specifically Engineered Gel Adds Superior Comfort to Your Chair. Promotes Healthy Posture and Spine Alignment While Helping the Treatment of Sciatica, Pressure Ulcers, Injuries, and More. Reduces Pressure on the Coccyx and Hip Bones. No-Hassle, Free Replacement, Lifetime Guarantee.