This essential 18K Rose Gold Filled cable chain necklace comes with a lobster clasp. It is 20 inches long and 2.4mm wide. / Nickel-free, Lead-free, Tarnish-Resistant / Hypoallergenic / Waterproof / Same Day Shipping from California! We have 16" 18" 20" 22" 24" in stock for this model.*** Free Velvet Gift Pouch Included.