Field of use: Shoulder fixation sling, mainly used for forearm fractures, radial fractures, wrist injuries, shoulder dislocations, humerus or clavicle fractures, after surgery or after a cast. Simple and convenient: press the shoulders for more strength, focus on the neck, adjust the angle and position of the hands, easy to wear, and the buckle to Quick release is easy to remove. Economical and durable: Soft black nylon mesh provides more airflow to keep you cool and can be adjusted up and down for comfort.< /p> Pain Relief: Arm support for post-surgical or non-surgical arm/shoulder treatment to reduce patient's arm pressure for early recovery of injured forearm , suitable for right or left arm. Size: Size M.