[Material]: The surface of S925 sterling silver is plated with K-gold (thick plating for a long time) [Specification]: Love is about 3.1*4mm, the chain is about 1.1mm thick, and the length of 15 3cm can be adjusted to extend the chain [Color]: gold (plated with K-gold) [Maintenance] sterling silver is plated with K-gold. Of course, it will oxidize over time. It can be washed with detergent or into a sealed toothpaste when not worn. [packing]: independent transparent sealing bag, no packing box. If necessary, you can shoot it outside.