The perfect pair: A hands-free, contactless tool keychain and our bangle! Great for completing everyday errands and tasks without making contact. Ideal for opening doors, pushing elevator and ATM buttons, handling items at stores, and avoiding incidental contact in public Bangle diameter: 3 1/2" Key: 3 1/8" Additional Details ------------------------------ Product description: The perfect pair: A hands-free, contactless tool keychain and our bangle! Great for completing everyday errands and tasks without making contact. Ideal for opening doors, pushing elevator and ATM buttons, handling items at stores, and avoiding incidental contact in public Bangle diameter: 3 1/2" Key: 3 1/8"