Spiral keychain material : keyrings used premium plastics. the coil string one side is keychain ring and the opposite end is lobster clip.They are fit for protect keys. .Length: total length (without stretched): 6.5 inch/ 16.5 cm, coil cord length (without stretched): 3.75 inch/ 9.5 cm, maximum stretchy length: 39.37 inch/ 100 cm .Quantity: come with 12 pcs spiral key ring with belt clip, 6 color, each color 2 pieces Color: red, yellow, green, blue, purple, black .Retractable: the spiral coil strap can stretch its full extent, and it will automatically return to the original shape soon. you can hold your keys easily. .Applications: good for work card, key in workplace also suit for outdoor recreation, including fishing, hunting, hiking, mountaineering, rock climbing and camping. .