The 3M Tegaderm Hydrocolloid Thin Dressing consists of a hydrocolloid adhesive with an outer clear adhesive cover film. 2.75in X 3.5in, Oval - Box of 10. Ref # 90021 3M is 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.