ActiveWrap® Pro 2-4 Hour Shoulder Ice Wrap w/ Two (2) 7"x10" Long Duration Gel PacksActiveWrap Pro 4+ Hour Shoulder Ice Wrap ActiveWrap's Patented Custom Open Sleeve Shoulder Ice Wrap is ideal for either left or right rotator cuff shoulder surgery patients that have limited use of their arm due to range of motion restrictions ,wearing a sling and do not want to pay big dollars to rent own an ice cooler cryotherapy machine post shoulder surgery. The main differences from this shoulder ice wrap compared to our traditional retail model