The Granny Jo Adjustable Napkin Clip features a black nylon cord and a locking slide to adjust the length to the size you need. Two easy to use clips are attached at each end of the cord. With this adjustable length cord you can easily make custom clothing protectors out of dish towels or napkins. The clips are not too difficult to use for someone with weak hands. Granny Jo Adjustable Napkin Clip Features: Use with napkins provided by restaurant Adjustable length allows you to customize bib clip to your size. Granny Jo Adjustable Napkin Clip Specifications: Length: 18 inches. Material: Nylon cord with locking slide. Color: black with grey flecks.