1Using highquality materials, strong and durable, has a long service life. 2Convenient to use, can be used for decoration or keychain, with strong practicability. 3The retro style gives you a different visual effect, you can hang the key, beautiful and practical. 4Small size, easy to carry and store, convenient to use and with good performance 5With a wide range of applications and can be hung on the bag as decoration, etc.