Dr. Scholl's Moleskin Plus Roll PaddingSoft cotton flannel padding can be cut to any size for relief of painful corns, calluses, and tender spots.Blisters form when skin rubs against another surface, causing friction. This causes a tear or separation within the upper layers of the skin (the epidermis), forming a space between the layers. The surface is usually intact. Fluid seeps into the space, causing the top of the blister to pop out from the skin surface. Dr. Scholl's Moleskin Plus Roll Paddings Smooth cotton flannel padding protects feet from painful shoe friction. Cushions corns, calluses, and tender spots. Known worldwide for its effective cushioning properties, Moleskin Plus Roll is soft, cotton flannel padding that protects feet from painful shoe friction. Soft, smooth padding. Self-stick adhesive, cuts to size. UPC: 888853001074 Weight: 0.38 lbs RKU: B097YXFWL4