Robust and durable: strong, unbreakable and powerful, lightweight. Attach the key yo-yo to a fixed carabiner and a pipe, bag, seat belt or backpack. Multifunctional key: The highly elastic stainless steel retractable key ring can be used for badges, key rings and key rings as well as bottle openers and keys. Very suitable for work and activities outdoors. Expandability: The expandable stainless steel wire rope has a high degree of elasticity due to its hardened material. The rope is 60 cm long, it never loses the card or the key and ensures the security of your information. Wide range of uses: keys, corporate ID cards, ID cards, event ID cards, exhibition ID cards, corporate ID cards, wallet keys for students and office workers. No cables needed to be wrapped for instant access. DIY Carving: The personalized keychain allows you to create your own logo to show your personality and be more distinctive. It is also the best birthday/Christmas gift for friends and dads. Specification: Material: plastic The color black Size: Diameter: 4.1 cm Total length: 15.5 cm Rubberized steel cable length: 60 cm Packing list: 2 * key ring Note: 1. As it it is manual measurement, please allow a 1-3mm gap, thanks. 2. Due to the differences between different monitors, the picture may not reflect the actual color of the item.