Our layered heart necklaces are all plated twice. We initially plate with 18K gold. Afterwhich, they are given a lifetime protective finish Immediately after the process of plating,each piece is checked throughly to make sure the jewellery is evenly plated well and polished. All of our vastly experienced craftsman take their time to ensure each link is completely closed to make sure the quality is second to none. The chains we used are made from the toughest polished copper available and are comparable with silver chain after plating and protective finish. Each piece of our jewelry comes complete with a greeting card, cleaning cloth and bespoke gift box. They are well-suited for any gift giving occasion and are perfect gifts for yourself or someone you love. They are definitely perfect as surprise gifts to remind that special someone how much you care! 100% satisfaction and money back guarantee. If there are any problems with the purchase, please feel free to contact us, we will help to fix the problem or make the full refund.