1 Spiral Keychain Material: the coil string is made of flexible plastic, keychain ring on one side and stronger carabiner on the opposite end is made of metal .2 Size: total length (without stretched): 8.67 inch/ 22 cm, maximum stretchy length: 80-100cm/31.5-39.3Inch .3 Color: 5pcs packaged .Spiral Keyring have bright color, durable and easy to be found at outdoor. .4 Design: keychain ring on one side and stronger carabiner on the opposite end.the spiral coil can stretch its full extent and it will automatically return to the original shape soon .5 Wide applications: good for work card, key in workplace fit for outdoor activities including fishing, hunting, hiking, mountaineering, rock climbing, camping and etc .