Protect Key Multi-Function Door Opener is a great protective companion when out in public places. Its body is infused with Antimicrobial material. Attach it to your keychain and carry it with you to open doors or carry bags and use the stylus to write on public touchscreen devices or push elevator buttons. Antimicrobial properties built in to protect the product. This product does not protect users or others against bacteria, viruses, germs, or other disease organisms.