Thera Band Hand Exercise Ball Black Extra Firm Parallel Bars of Paraffin * Lifetime Guaranteed Impotence of Paraffin * Lifetime Guaranteed * Penetrating heat quickly soothes pain and stiffness due to arthritis joint stiffness and inflammation relaxes muscles and leaves the skin soft and smooth * Unit has the capacity to hold up to 9 Lbs wintergreen paraffin * Dimensions: * Inside Dimensions: 12 7 8 L x 6 3 4 W x 5 D * Outside dimensions: 14 1 4 L x 8 1 8 W x 7 3 4 D * Extra safety thermostat keeps the bath at 126 130 degrees F Ergonomic safety handle Makes standing and sitting easy and safe * Swivel tray Multi Use laptop TV tray with cup holder and utensil compartment * Adaptable Adjusts in length and height to fit either side of your favorite couch or chair * Height of tray:26 to 32 * Height adjustment handle: 34 to 40 * Size of tray: 16 x 18 * Provides assistance standing & sitting * Swivel tray pivots 360 degrees * Swivel tray pivots away when not in use * Weight limit of handle: 250 Lbs * Resistance training for hands fingers and forearms * Helps strengthen grip increase mobility and dexterity * Four color coded resistances * Can be used for hot or cold therapy * Shipping Carton Size: 8 L x 6 W x 4 H