Specification:Name: Bottle Opener Keychain Button PartsMaterial: metalProduct Size:44mm,58mmPackage size: 20*13*10cmColor: metal colorPacking Included:50 x Bottle Opener50 x Keyring50 x tin plate top cover50 x transparent filmWhen making mirrors, you can use double-sided tape. When making double-sided tape, the lens can be better reinforced. Of course, it doesn't matter if you don't use it. It can also make good finished products. If you have double-sided tape at home, I suggest you use it. It will make it .