It is designed to give ideal pressure and support over the area it applied to. Special elastic construction means once it is placed, it will not loose Breathable and comfortable to be worn in shoes and underclothing Washable Types: Size A 4.5, infant feet or arms Size B 6.25, small hands and limbs Size C 6.75, adult hands, arms or legs Size D 7.5, large arms or legs Size E 8.75, legs or small thighs Size F 10, large knees or thighs Size G 12, large thighs Size H 15, extra large thighs Size J 17.5, small trunks or extra large thighs Size K 21.5, medium trunks Size KL 26, medium large trunks Size L 32.5, large trunks Size M 36, extra large trunks With colorful thread in the middle of bandage, 7.5cm x 10m