This foam product is shaped for heels and elbows and helps distribute body weight to prevent skin breakdown. 3M Reston Heel and Elbow Protectors are ideal for protecting against abrasions, shearing, pressure and preventing skin breakdown. They are shaped to protect and cushion heels and elbows, or other body prominences. Self-Adhering Foam- Conformable Pad - High Support, 6-1/4 inch x 7-7/8 inch, (15/16 inch thick) (15.9cm x 20cm).