Layering your necklaces is so easy with this 18K gold plated connector. This necklace clasp will keep your layered necklaces from getting tangled while wearing. Easy to use: This necklace stacker clasp is a long magnetic tube, you open the tube by pulling it apart, then it closes by sliding it back together. Each half comes with connectors to attach your necklaces on each end. 18K Gold Plated Stainless steel || Gold Plated || Hypoallergenic Care tips: -Store jewelry in our cloth Béljoy bags or small plastic zip lock -Use a jewelry cloth to clean oils off of jewelry that temporarily discolors accessories -Avoid contact with chemicals such as hairspray, lotions, perfumes, etc.