band-aid hydro seal, 6 large bandages per box (pack of 2) band-aid band-aid brand hydro seal bandages help keep germs out and your body's natural healing power in. made with hydrocolloid gel, these waterproof bandages provide advanced wound care and cushion to help protect blisters. within 24 hours of application, a white bubble will form under the bandage to show that the healing process has begun. ideal for use on the chest, arms, and legs, the extra-large bandages deliver multiday protection and stay on even through hand washing and showers. band-aid brand hydro seal bandages are sterile and not made with natural rubber latex. this package contains individually wrapped extra-large bandages, from the #1 doctor recommended bandage brand.