This shiny 18K yellow gold filled cable chain necklace is 24 inches long and 2.4mm wide. This necklace is nickel and lead-free. It is waterproof, so do your daily routine without having to take it off. Shower with them or take a swim. We have 1mm/2mm/2.4mm wide in stock for this model.*** Free Velvet Gift Pouch Included.