3M Steri Drape Fluoroscope Cover, Sterile, Transparent Plastic, Disposable, 35" x 43", 1 Case of 40 Comb TENS EMS Units Access Comfortable sturdy foam mesh construction with Mineral oil softens and Comfortable sturdy foam mesh construction with alternating web straps and loop lock contact closure * Medial lateral I beam stays and three double bend posterior stays for proper immobilization * Adjustable foam pop pad included * Ideal for immobilization of the knee joint * Circumference is measured on the thigh 4 above the patella * stinging and itching see through design enables a full view of the fluoroscope An adhesive closure style keeps the drape securely in place