Jobst Knee Hi 15 20 Large Sun Tan Ultrasheer Underpads Disposable Screw option optional screw VB604 GN Screw option optional screw to close the battery cover making the alarms controls only accessible to facility staff therapy system includes three 6 x 9 cold packs 9 x 20 fabric cover divided in three sections to hold each cold pack securely and a wide fully removable elastic strap with Velcro© fasteners on each end *Generous size for large areas such as the back hip or abdomen *Ice It Knee Hi * Sun Tan * 15 20 mmHg * Large * Ankle Circ 10 113 8 Calf Circumference 12 1 2 18 1 8 * Beautifully sheer hosiery Durable long lasting * Sandalfoot styling * Gradient compression for relief and prevention of venous disease * Therapeutically effective sheer lightweight and fashionable *