1. Made of metal, practical and durable. 2. It can avoid direct contact between hands and pollutant in the air. 3. An everyday carry door opener offering a better way to open doors and use shared surfaces like checkouts or ATMs. 4. It is small in size, which is convenient and fast. you can take it with you. 5. Suitable for use in a variety of environments and can effectively reduce direct contact with people or things. 6. Size: 7x3cm.