Anti Em GP™ Anti Embolism Stockings, Large Long, 1 Box of 12 Assorted MARVEL products Converts to either backpack or Select Ear:Left Ear Converts to either backpack or shoulder bag * Adjustable waist belt and ergonomic comfort backpack straps * Cylinder pouch with generous padding and stabilizing strap * Large accessory pocket * Designed for superior ventilation and safety * 40 48 * 8 wide double ply three panel elastic belt features a posterior pocket for moldable insert (sold separately) * Dura Foam front panel closes with pressure sensitive hook * Measurement is hip circumference * Provides even compression to abdomen as well as lumbosacral area It applies a gradient compression and gradually decreasing to the thigh without tourniqueting or impeding the venous return