The Alpha Medical Brand Universal Shoulder Immobilizer & Sling is designed to gently cradle the arm in the bent position from the elbow to the hand. The sling can be separated from the pillow and used independently. The shoulder strap is made from a soft dual ply material. There is an adjustable pad over the top of the shoulder. The shoulder strap is adjustable w/ Velcro at both ends of the sling. The pillow is made of foam formed to nestle against the side of the body. Can be used for the left or right arm.