3M Nexcare Clear Waterproof, One Size The unique Sensitive skin technology allows bandages to be removed and repositioned with ease. It uses absorbent hydrocolloid technology to treat sores by soaking up the bad things from wounds, blisters, and pimples. The gel is in the shape of a transparent dressing with proven waterproof technology. They're designed to stay on during bathing, washing, and swimming while allowing air in for maximum wound comfort and care.