Prevents bacterial passage. Li is a water -resistant scar band. This product protects a injured surface against water, dust and dirt. It also protects the wound area by preventing the passage of bacteria. Thanks to the air permeable feature, it allows the skin to breathe. Thus, moisture accumulation is prevented around the wound and air circulation is achieved. B-GOOD Waterproof Wound Band is ideal for wound protection during daily activities. This can be used to support the wound healing process and reduce the risk of infection.