It is a type of law enforcement that is used to eliminate edema in the area from finger to shoulder. It is comfortable for daily use with belt in the shoulder area. ARM CIRCMFRNC SIZE(CM) 1 2 3 4 5 6 7 cC 12-13 13-15 15-17 17-19 19-21 21-23 23-25 cE 16-22 21-27 24-30 27-33 30-36 33-39 36-42 cG 20-27 23-30 26-33 30-37 34-41 38-45 42-49 Declaration of Conformity CE