Width-4.5mm Wide Multiple Lengths Available. 18" - 13.8 grams 20" Weighs 15.1 grams 22"-16.7g 24"-18.2 g 30"- 21.9 g. The high polished finish gives it a fine 18k shine. Sturdy Lobster lock closure making this chain easy and comfortable QUALITY: Crafted of Real 18K SOLID GOLD Stamped for authenticity these gold Italian Cuban chains are from the finest designers and creators. A great choice for men, women, and kids! 18k Solid Gold is one of the purest gold metals in the market. Choose from our many options and lengths 8 18 20 22 24 26 30 yellow or white gold HYPOALLERGENIC: Being that its crafted of 18k solid genuine gold this necklace is lead and nickel free, perfect for those with sensitive skin.18K Solid Yellow Gold 4.5mm Cuban Curb Link Chain Necklace- Made in Italy- is a perfect gift as it works for women, men and kids alike PACKAGING: All kozan group Jewelry Necklaces include our genuine kozan Jewelry Gift Pouch making this perfect for gifts for Christmas