Ergodyne ProFlex 655 9" - 10" Black Elbow Sleeve with adjustable chinstrap is made of durable neoprene 4 way stretch fabric for glove-like fit and warmth. Sleeve with contoured design conforms to the body? natural shape for comfort and cinch strap adjusts for an exact fit as well as desired tension. Ambidextrous sleeve offers uniform support without muscle restriction and helps soothe inflamed tissues associated painful strains or tendinitis. It is machine washable and finds application in food processing, picking/packing and assembly/fabrication.