Made of high-quality copper, with good appearance, strong corrosion resistance, durable, and no fading. Polished by hand, the edges are smooth and do not hurt the skin. Simple but elegant heart pendant necklace with birthstone can remind of love, promise, thanks, family or friendship between you and the luck receiver. 2 birthstones necklace can be customized by your choice. Date, text, coordinates, symbols or anything you like to engrave the necklace, which can bring luck to you.