You are viewing the 3M Coban 2 Layer Compression System Roll. It consists of two latex-free roll bandages. The first layer is the Comfort Layer which is a 4 inch x 2.9 yard unstretched roll. The second layer is the Compression Layer: 4in X 5.1Yd fully stretched. The inner comfort layer is a lamination of polyurethane foam and a cohesive bandage. The outer compression layer is a cohesive bandage designed to provide sustained compression levels shown to be effective in the treatment of venous leg ulcers. After application, the inner and outer rolls cohere to each other to reduce slippage during wear. This compression system may be worn up to 7 days indicated for the treatment of edema associated with venous leg ulcers and related conditions not designed to be used as a wound dressing. 2 Rolls Per Box - 1 Comfort Layer and 1 Compression Layer, sold by the case of 8 boxes of 2. 3M, a leading manufacturer in wound care supplies. ADW Diabetes carries a wide range of wound care products at great discounts - each and every day! Please review the size, style, and quantity carefully before ordering. If you have any questions on this wound care product or any other products we carry from 3M, please call our customer care specialists toll free at 877-241-9002.