PREMIUM QUALITY JEWELLERY - Jewellery is designed to last a lifetime. Made in Alloy. Sturdy, durable spring ring clasp. Tight closure to reduce the chance of catching on fabrics or hair EASY-USE NECKLACE EXTENDER - These Extender Chains with classic Spring claw clasps, easy to put on or take off, convenient to use. Delivered in elegant package, Ideal for gift giving HYPOALLERGENIC - Fine solid silver is nickel free, nontoxic and corrosion resistant. You won’t get any irritation or skin rashes WIDELY USED EXTENSION CHAINS- These extender chains are perfect for your jewelry making project, such as necklace extension, bracelet extension, anklet extender and so on. The sterling silver 925 extension chain is suitable as the extension of many jewelry chains, and the hypoallergenic chain is suitable for the matching of various necklaces, bracelets and anklets, and is our essential choice LOYAL SERVICE - If you are not happy with our product. We have consulting services, if you have any questions, you can contact us