Thick chain, 18K gold vermeil. Lobster claw closure.Length: 18""Sterling Silver, 18K Gold Vermeil- Care Instructions: Avoid contact with water, lotion, and perfume. Clean gently with a polishing cloth.- Primary Material: BrassProduct Specifications:- Elegant and luxurious 18K gold necklace- Versatile and timeless design- Adds a touch of sophistication to any outfit