3M Steri Drape Fluoroscope Cover, Sterile, Transparent Plastic, Disposable, 35" x 43", 1 Case of 40 Comb TENS EMS Units Access Lowers 80 Degrees * One Urinals Lowers 80 Degrees * One Piece Body Section 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 * The sturdy plastic material resist accidental penetration of fluids see through design enables a full view of the fluoroscope