Thera Band Hand Exercise Ball Yellow X Soft Nail Care push down to lock) * Impotence push down to lock) * Padded 20 wide seat for increased seating surface and added comfort * Removable padded backbar * Adjustable handle height to accommodate broad range of user heights * Durable heavy duty 8 wheel for indoor and outdoor use * Removable pouch under seat for storage of personal items * Includes easy to read retail friendly user manual * Five (5) year limited warranty * Air Cells Made With Nylon polyurethane For Increased Durability And Reliability 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 *