Brand new, sealed in package. One size fits most from teen to adult, both men and women. Can be used on the left or right shoulder. For treatment of the following: arthritis of the shoulder or hand radial neuropathy ulnar neuropathy median neuropathy brachial plexus lesion cumulative trauma repetitive strain injury brachial neuritis radiculitis adhesive capsulitis of the shoulder Velcro straps allows for full adjustability on any body size. Removable and rotatable wedges allow for various angles of immobilization. Large and extendable arm-bar is designed to fit spindly individuals. Comfortable padding on parts that contact the body ensure comfort all day.