Band-Aid Brand Sterile Hydro Seal Adhesive Hydrocolloid Gel Blister Bandages for first aid help keep germs out and your body's natural healing power in. Made with hydrocolloid gel, these shower proof and waterproof bandages provide advanced wound care and cushion to help protect blisters and minor wounds. Within 24 hours of application, a white bubble will form under the bandage to show that the wound healing process has begun. Ideal for use on the chest, arms, and legs, the extra-large hydrocolloid gel bandages deliver multiday protection and stay on even through hand washing and showers. Band-Aid Brand Hydro Seal Adhesive Bandages are sterile and not made with natural rubber latex. This package contains three individually wrapped extra-large hydrocolloid bandages, from the number 1 doctor recommended bandage brand.