18" + 2" extension 14 karat gold plated sterling silver necklace with 21.5mm polished round engravable disk. The necklace has a lobster clasp closure. .925 Sterling Silver Note: Please allow up to five (5) business days for your personalized item to ship. If you prefer your non-engraved items be shipped immediately, please indicate that in the Order Notes at checkout; otherwise, your entire order will be held and shipped complete when engraving items are ready.