High Quality Sports Adjustable Support Strap Shoulder Brace Shoulder Massager Shoulder protection 1,This product is used on the shoulder and upper backrest , which keep warm with infrared ray . Which make it comfortable and some protections ; 2,The material is elastic nylon fabric and net yam inner ; 3,The size is including SML \ XL and XXL , which is used for the children to the people ; 4,Suitable for treating the problems of the shoulder and protecting it ; 5,The color is black \ red and customized color ; 6,The product is light and easily carried in the trip and for the medical usage ; 7,One gift carton hold 1 pcs . The carton size is 46x26.5x7 cm , G.W. is 0.6kg .