Description : 1. Constucted of plastic shell with soft foam lining. 2. Padded foam sling. Specification : 1. Samll(S): inch 24~30, centimeter 61~76. 2. Medium (M): inch 30~36, centimeter 76~91. 3. large (L): inch 36~42, centimeter 91~107. 4. Extra large (XL): inch 42~48, centimeter 107~122