The arm support sling supports the arm for recovery from surgery, sprains, or fractures. It's sized to fit both youth and adults, and is a right and left arm sling. Its adjustable strap makes gives the comfortable arm sling a universal fit for both sizing, comfort, and support. An easy to adjust strap turns the broken arm sling into both a small and large arm sling. Adjust it to fit both your arm and provide ample movement.