The Tetra-Grip Tubular Elastic Support Bandage gives support and continuous, even compression to an injured area as it gently provide pressure on the tissue around an injury to decrease pain and swelling. The non-sterile elastic wraps come in the size F, it is an essential item for first aid kit and the bandage fits large knees or thighs with approximately relaxed width of 4-inch. The 4-inch width x 11-yard length gauze bandage comes in a one 11-yd roll per box.