Powerweb 14in Combo Hand Exerciser Red Blue Underpads Reusable Provides compression stability and support Hip Kits Provides compression stability and support for the sacroiliac joint * Slimline design with adjustable tabs for a conforming fit * Color Black * To size measure around the hips * Easy height adjustment with spring loaded plungers and numbered height strip LARGE 14 DIAMETER * Red Blue* Light Heavy * Flexion extension opposition and supination exercises can be performed using the exercise web * Resistance may be modified by adjusting the hand position depth of finger insertion or by moving to a different resistance (color) web *