Premium Material: Gold necklace is made of premium Stainless Steel, Nickel free, lead free, hypoallergenic, no discoloration or irritation. Size: The length of the chain is 23" + 2 extension chain with lobster clasp which is adjustable. The pendant necklace is 16 mm diameter. Please allow a little difference because of the manual measurement. Unique design: The long necklace match with vintage pendant, it is delicate and classic. Perfect for every day wear or to dress up a fancier look. Prefect Gifts:This charm necklace is not only a great gift for friends,family, lover, but also a good reward for yourself on any occasions,like Birthday,Graduation, Christmas. Packed in a wooden gift box! After sales service: 90 days money back guarantee or exchange service, if you have any question feel free to contact us, we will reply it in 24 hours.