Best work in holding unconscious patents for uplifting etc. during OT work. Used as a spine bolster during any surgery in supine position. Used in prone position for spinal surgeries to fix & rest the patent without any discomfort. Used in mix prone position & hip surgery. ADVANTAGES:Provide maximum rest without any discomfort because it has: Air Conditioned quality. (Temperature adoptions) Skin Friendly Anti Slip Action Resilience property.