[Material]: The surface of the full-body S925 sterling silver is plated with K-gold (thick plating for long color retention time) [Specification]: luck rectangular brand is about 12*2.5mm, and the chain thickness is about 1,1mm. Length 15.5 3cm adjustable extension chain. [color]: 14K gold color [maintenance]: sterling silver plated K gold, of course, a long time will be oxidized, you can use toothpaste or detergent wash, not put in a sealed bag when wearing. [packing]: independent transparent sealing bag, no packing box. If necessary, you can shoot it outside.