Our ID Lanyard Holder is made of polyester. The length of the polyester belt is 91.4CM, and the folding length is 45.1CM. Put the metal accessories at the end of the opening, and then press the patch with a machine to close the opening. Add the metal accessories, and the length of the lanyard is 49.5CM. We have black, red, and blue, and other colors can be customized. The width of the lanyard can be selected from 1CM, 1.5CM, 2CM, or customized according to needs.