Get started designing your own artisan expression bead necklace with this 3mm width, 16-inch long black rubber cord that is finished with a sterling silver lobster clasp. Made in the U.S.A. N10633-C Black rubber cord, 3mm in width Sterling silver lobster clasp Fits most bead style charms with a 4mm core Average weight for the 18-inch length is 4.14 grams Includes a custom Black Bow Jewelry Company gift box