Compare to 3M Tegaderm Transparent Dressing 1626W Frame Style or First Aid Style 100/PK * 100% MONEY BACK GUARANTEE!!! * Used to protect at-risk skin, to cover and secure I.V. sites, or as a primary or secondary dressing * Proven in laboratory testing to provide a viral barrier when intact * Keeps liquids, bacteria and other contaminates out while allowing the skin to function normally