Aircast Cryo System Elbow & Cooler Cuff Weights Racks Specially designed sliding rings lock the 413116 Specially designed sliding rings lock the seat at each end of the sliding rails * Seat glides smoothly in and out of the bathtub or shower over polished high strength aluminum tubes * Comfortable molded plastic seat with textured finish * Rust proof lightweight aluminum construction * Adjustable height to fit user and bathtub clearance * No tools necessary for assembly * Seat Size: 17 5 height in 1 increments * This accommodates for a broad range of user heights which in turn offers more comfort for the user when seated * With its enhanced wider spacing of 19 in between the handgrips and larger 15 Elbow Adult Cuff & Cooler * System features simultaneous cold and compression to minimize swelling and pain * Insulated jug holds up to 4 liters of ice *