This immobilizer is extra large, allowing for use by patients of many sizes. It can function as a sling or as a swathe. Features: Providing comfort and security during rehabilitation Made with soft pile foam that is comfortable against the skin. Two over the shoulder straps criss-cross and attach with contact closures. Swathe is made with a contact closure for accurate fit. May be used as an arm sling if swathe is not desired. Fits right or left arm. Large/X-Large, 32-52"(81.3-132.1 cm).