355nm 3 watt 5 watt UV laser for marking date on Bronco sticker packaging Band-Aid is a commonly used emergency treatment drug in our daily life, which plays an important role in closing wounds and inhibiting bacteria in a short period of time. In recent years, the packaging of Band-Aids has become more refined, and it is no longer restricted to the tear-off packaging in the past, but has more changes and forms of external packaging.