【Specifications】Strap Length: 52cm. The strap uses highly elastic PU material, boasting high strength and durability guaranteed through rigorous testing. It also has a long service life. 【Soft Material】This is a hand strap often used for carrying employee IDs and commuter passes. The 52cm long strap can be worn around the neck, making it convenient for picking up children. The 20cm short hand strap can be used to hang house keys, keys, pass cases, coin cases, small item pouches, certificate holders, student ID holders, IC card holders, ID cards, membership card bags, etc., on handbags or belts. There's no need to worry about losing them. Made of soft PU leather, it feels gentle on the skin and is comfortable even after prolonged use. 【With Retractable Reel】Features a retractable reel and a detachable design, allowing for easy replacement if damaged. It's usually stored, but extends up to 20cm when pulled. You can easily remove it from your neck to scan at train station ticket gates or building entrances. When you let go, the device automatically returns to its original position and retracts. 【Lightweight and Convenient】The elastic hand strap is lightweight and can be easily worn on your hand or chest. This makes carrying your certificate holder easier. You no longer need to carry your certificate holder in your pocket or hand, saving you the trouble of presenting your certificate. Whether traveling or shopping, if you frequently need to present your certificate, the certificate holder's shoulder strap significantly reduces manual effort, saving energy and time.