FULL DONNING INSTRUCTIONS INCLUDED The Universal Shoulder Immobilizer with Abduction Pillow Support is an adjustable, universal (for girth and right or left) sling and includes a removable positioning pillow, which provides an additional 10 to 15 degrees of abduction from a neutral position. The unique exercise ball encourages exercise and stimulates circulation. Arms can be placed in a variety of positions. This is universal in the sense that it can fit either the right or the left arm with ease and multiple girth. Perfect for dislocations, Posterior capsule repairs, Anterior repairs, Rotator cuff repairs, total shoulder reconstruction and most other routine shoulder surgeries.