3M Reston Self-Adhering Foam 7 7/8 X 11 3/4 Inch Foam 1 Count Adhesive, Self-adhering foam designed to distribute body weight to help prevent skin breakdown and pressure ulcers, and to prevent skin damage from splints, casts and prostheses. It can also be used as a padding for beds, chairs and operating room tables. Medium support pad can be cut, layered and shaped to be adapted for many applications. Reston self-adhering foam products should not be placed in direct contact with an open wound.