iHealthComfort&Acirc; 3 in 1 Folding Cooling Gel Memory Foam Seat Cushion & Lumbar Support Large Orthopedic Tailbone Pillow Instant Relief from Lower Back Pain Ultra-soft, ultra-strong, solid rubber-like Gel and Memory foam material. Soothe your tired, aching back with the memory foam cushion that gently supports the natural contour of your spine. Enjoy comfort and productivity with precisely molded memory foam that allows you to sit for hours at a time in your office or car comfortably. Gel is breathable, so it stays cool while in use for increased comfort and better weight distribution Separable design allows you to extend the size to fit your needs Ideal for patients recovering from pelvic, hemorrhoid, prostate, or post-child delivery surgery, Straightens and corrects your posture, with utmost support along your lower back's natural arcs. Protects you from sitting wrong in harmful positions.