Dr. Clean Alcohol Swab is one pad packed individually saturated with 70% Isopropyl Alcohol used for pre-injection sterilization. It contains 70% isopropyl alcohol and water can also be used as disinfectant on cuts, scrapes and intact skin. The alcohol swabs usually are prepackaged so that alcohol doesn't evaporate on exposure to the environment and retains its properties when it has to be used. Alcohol swabs are intended for single use only