Gel Memory Foam Seat Cushion-Comfort Foam Is the Perfect Seat for Any Car, Truck or Other Auto, Wheelchairs, Office Chairs, and All Upholstery. High-density Orthopedic Gel Is Built to Last a Lifetime. Gel Design: Top layer of gel keeps you cool and comfortable no matter where you use it. Therapeutic support: Cushion provides immediate relief and treatment for lower back pain, numbness, and pressure sores. Relief: Gel layered memory foam dramatically reduces pressure on your hipbones while seated on chairs and other seats, including cars/autos, wheelchairs, and planes. Unique Medical Design: Comfort gel and foam design help keep a healthy posture to reduce pain and discomfort while sitting, as well as provide relief from sciatica, pressure ulcers, and injured tailbone pain. High-Density Orthopedic Gel. Order with confidence! Comes with our NO-QUESTIONS-ASKED 100% SATISFACTION MONEY-BACK GUARANTEE