The thickness of the rubber cord is about 2mm; the diameter of the clasp part you can pass through a pendant is about 3.5mm.

Now we have two styles in stock for your choice: 16 inches black rubber cord chain with 925 silver clasp; 18 inches black rubber cord chain with 18KGP lobster clasp

The list price is for one piece 18 inches black rubber cord chain with 18KGP lobster clasp.