Medline Shoulder Immobilizer with Abduction Pillow Provides post-surgical support. Adjustable shoulder strap includes neck pad to reduce shoulder and neck strain. Waist strap attaches to the pillow using a plastic delrin buckle. Removable pillow provides 25 degrees of abduction. Fits right or left arm. Measurements based upon distance between the end of patient's elbow and center of their shortest finger with an extended hand. Large, 18" L x 8" W (45.7 x 20.3 cm). 1 Count