C H A I N - T Y P E S - A V A I L A B L E - Silver plated iron chain, 18 inches long with lobster clasp, 1.2mm thick. - Gold plated iron chain, 18 inches long with lobster clasp, 1.2mm thick. - Black waxed necklace cord length approx. 51.2cm/20.2inch (Include lobster clasp & chain),width is 2mm/0.01inch Your item will be sent first class Standard Shipping (no tracking number). Please note Europe delivery is approximately 3-9 working days. Worldwide delivery is approximately 6-9 working days. The envelope is recyclable and is made with at least 60% recycled content.