Attach your ID or access cards via a braded steel wire to your belt loop, work belt or backpack. When you need your badge or keys just pull them out, when your done let it go and the built-in tether retracts back into place until you need them again.
Specifications:
Diameter: 4 cm/1.57in
Weight: 38-50 grams
Length of rubber-coated steel wire rope: 68/65 cm/27in
This product is made of metal, with a diameter of 4cm, with a telescopic steel wire inside. The surface is electroplated (chrome).