Feature with plastic coiled lanyard.Great for keys, phone, flashlights, compass, backpack, water bottle, etc.One end is a keyring, the other is a swivel lobster clasp.This coiled lanyardcan keep your little items in your controllable range.It can be used to keep your GPS case safely on your motorcycle or bike.Please allow 1-3mm error due to manual measurement, make sure you do not mind before you bid.