Hydrocolloid Bandages for Wound Care – Self-Adhesive, Waterproof, Cut-to-Size | Sterile & Flexible | Burns, Blisters, Acne, Bed Sores | Hypoallergenic & Latex-Free. Heavy-Duty Waterproof & Shock Protection – Built to seal out water, dirt, and impact during sports or outdoor work, these hydrocolloid bandages stay firmly in place.