Rubber Elastic Bandage, Heavy-Duty – 10.2 cm (4″). For use on shoulders, knees or lower legs. Reusable, lightweight, non-fraying bandage provides tension, firm support and compression to encourage proper healing of sprains and strains. Additional uses include: post-cast support; dressing retention; control of swelling; and prevention of scuffs and bruising. Constructed of 76% cotton / 12% polyester / 12% rubber. Sold as Each.