Check the listing for details. ShearBan PTFE Anti-Friction Sheets Orthotics Prosthetics. Condition: New. Listed at 36.99 USD. ShearBan PTFE Anti-Friction Sheets (8"x12")ShearBan® is a patented, self-adhesive, low friction interface that provides targeted protection from friction & shear forces that contribute to the formation of hot spots, blisters, calluses, and diabetic foot ulcers. Designed with a unique low-friction film and long lasting adhesive. The sheets are great for use inside shoes, braces, prosthetic sockets, athletic protection and more. ShearBan sheets are intended to prevent calluses, blisters, bunions, corns, ulcerations and general skin irritations. These sheets may also be used to prevent skin breakdown that is associated with neuropathic foot conditions, amputations, or foot deformities. Recommended for installation by foot care professionals. Trim sheet material to desired shape and size for a custom fit on any footwear, insole, medical device, or sports equipment. Available in single and 5-sheet packs in blue, beige, and black colors.