Thera Band Hand Exercise Ball Blue Firm Crutches Aluminum * Aluminum casted back release Two 1 inch urethane * Aluminum casted back release hinge allows back to fold down for easy storage and transport * Standard rear wheel locks * Overall width w 17 seat: 20 (open) 9 (closed) * Overall width w 19 seat: 22 (open) 9 (closed) * Overall height: 39 5kg (based on size 2R99C) Varies by size *Washable: Cushion can be easily cleaned with soap and water *Cover is machine washable *Repairable: The flame resistant black neoprene (not made with natural rubber latex) cushion can be patched to extend its use *This cushion is most effective for individuals who: Have a history of skin soft tissue breakdown and or any stage pressure ulcer (including deep tissue injury) skin grafts and or myocutananeous flap surgery *Currently have skin soft tissue breakdown and or any stage pressure ulcer (including deep tissue injury) *Be at risk for skin soft tissue breakdown and or deep tissue injury *Have normal or impaired sensation *Require accommodation of pelvic asymmetry up to approximately 3in 7 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 *