Independent packing: convenient packing, no waste, clean and hygienic, avoid cross infection, easy to carry in outdoor travel Use at any time: when you are injured during outdoor travel, take out a cotton swab and break off the location of the color ring and apply it on the wound to avoid infection. Usage Scenario：Daily home, sports, travel, baby belly button cleaning, pre-injection skin cleaning, available for adults, children and pets, this makes life very convenient