Good stretch: Lot of 8, black color. Size of spiral keychain, total length not stretched: 9.25 "/23.5 cm, length of the coil not stretched: 3.93"/10 cm. The maximum extension length of the coil rope is 34.64 "(88 cm). More than stretching to reach the open door. You can wrap them in your hands or hang them Your belts! Durable material: The retractable keychain consists of a carabiner, a coil and a cord for key. The spice of the coil is made of flexible plastic, and the keychains and the carabiner are made of metal. The width of the coil wire is 2 mm, which ensures good bearing capacity and is robust and durable. How to use: Our expandable spiral keychain are mainly used to connect and link objects, avoid losses and allow quick and easy access. The retractable keychain can be fully deployed and will automatically return to its original position shortly after being released. Note: Do not suspend heavy objects to avoid breakage and excessive stretching. Lightweight: The spring keychain with carab cord is very light and will not bring you an additional load. The tied carabiner can be easily attached to your belts, pockets, bags, backpacks, etc. Suitable to protect your wallet, mobile phone, keys, card holders, whistles and other small items. Multifunctional application: This fishing strings with carabiner is widely used on many occasions. Good for daily and outdoor activities. It can be securely attached to you when you go out, fish, camp, hike, mountaineering, climbing, campsite, etc. You avoid a lot of problems to find things.