Band-Aid Brand Hydro Seal Bandages help keep germs out and your body’s natural healing power in. Within 24 hours of application, a white bubble will form under the bandage to show that the healing process has begun. These waterproof bandages provide advanced wound care and cushion to help protect blisters. 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 three individually wrapped extra-large bandages, each measuring 2.44 by 2.75 inches.