Nexcare absolute waterproof first aid tape flexes and stretches with your body, cushions as it protects and sticks to damp skin. These features make Nexcare absolute waterproof first aid tape ideal for active lifestyles and exercising, and for protecting wounds during water related activities like bathing and swimming. Nexcare absolute waterproof first aid tape is also great for helping to prevent blisters, and for protecting blisters once they've formed. These first aid tapes have been dermatologist tested and are part of a complete line of 3M medical tapes that are also hypoallergenic.