(1)Material:Copper;(2)Weight:22g;(3)Clour:3 Colors;(4)Size:2.1cm*2.8cm;(5)Packing: Independent OPP Packaging;(6)Processing technology: Electroplating; fashion style, unleaded, nickel-free, don't have to punch, directly to wear, simple and safe, statement and special. It's suitable for party, dynamic dance, wedding, ceremony, graduation, dating, beach, camping, vocation, family gathering and daily wearing. An ideal gift for your lover, wife, fiancee, girlfriend, mother, daughter, sister, family on Valentine's day, Anniversary, Mother`s Day, Christmas, Graduation and Birthday..syi