Alcohol swabs are small cotton pads or balls that are soaked in alcohol and used to clean and disinfect skin before a medical procedure.

1. Convenience: Very convenient to use because they come in small, portable packages that can be easily carried around in a first aid kit, purse or pocket.
2. Effectiveness: Alcohol is a powerful disinfectant that can kill many types of bacteria and viruses, making it an effective choice for cleaning and disinfecting skin.
3. Safety: Alcohol swabs are generally safe to use, although some people may be allergic to alcohol and experience skin irritation or other adverse reactions.
4. Disposable: Alcohol swabs are disposable, which means that they should be used only once and then discarded to prevent the spread of infection.
5. Quick drying: Dry quickly, making them ideal for use in situations where time is of the essence.
6. Multiple sizes: Alcohol swab come in different sizes to suit different needs, from small, single-use swabs to larger, multi-use pads.

Overall, alcohol swabs are a reliable and effective way to clean and disinfect skin before a medical procedure, and are an essential item for any first aid kit.