Made of high-quality ABS engineering plastics, the shell is durable and sturdy, and the rope inside is hard to break, reliable and has long service life.You can put the keychain on the belt, put the key on the keychain, stretch it out to open the door and let it go when finish, it will automatically spring back to the waist, avoiding frequent key loss caused by random throwing.With retractable steel wire liner design, this keychain is convenient for you to use.Features compact shape, this keychain is portable and easy to carry, and can be hung around the waist at any time. Item Name: Retractable KeychainMaterial: ABS, Wire RopeFeatures: Portable, Retractable Cord, Anti-lost, DurableSize: 16cm x 4cm/6.3" x 1.57", Cord Length: 55cm/21.65" (Approx.) Notes:Due to the light and screen setting difference, the color of the item may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Do not pull the cord with excessive force, which may cause problems with the recovery spring. Package Includes:1 x Retractable Keychain