Veridian Healthcare 360o Reusable Gel Sleeve (Medium) Compression Treatment for Pain and Swelling. 5" ID x 6" L; Revolutionary gel sleeve surrounds treatment area and delivers soothing comfort and compression; Helps relieve pain and swelling; Durable clinical grade polyurethane gel sleeve; Pliable gel remains flexible and conforms to body contours; Patented roll-on design allows for hands free app