This bandage is made of 100% bleached cotton fibers by standard methods , with thread type 30 or 20 with number of threads 17 or 20 per square centimeter . Used as a bandage holder for all wounds in different widths and lengths. This bands does not give back color while in contact with the skin and has a good durability . The fabric is free of any dirt , odor and stain without any roughness . The elastic type is at least 30% stretchable and has high flexibility with the body .