This product is very easy to use, which can help block bacteria just by wearing it. It contains a safe and non-toxic sodium chloride ingredient, no harm to the human body. Suitable for both kids and adults to use.

• Suitable for both kids and adults to use, perfect for health care.
• Suitable for use in school, supermarkets, offices and other places with large crowds.
• Up to 99.9% sterilization rate, it can effectively help you block the bacteria, fungi, and molds floating in the air.
• Safe and non-toxic ingredients, no harm to the human body.
• Comes with a lanyard for more convenient use.