Duo Adjustable Back Support All Elastic X Large 38 42 IV Poles 100 FOOT CLINICAL ROLLS * Ships via truck 100 FOOT CLINICAL ROLLS * Heavy Blue * Available in seven levels of resistance * Made of natural rubber * Thera band colors increasing in difficulty through seven levels from tan to silver * The color coding system provides positive reinforcement and feedback for gauging results * Double users 38 42 * Both provide excellent abdominal and LS Support * Duo Tension straps customize compression and support * Flexible stays help prevent rolling and provide additional support * All elastic for most compression and support * Color: Beige * Measurement is hip circumference Fits hip cicum