The earrings are made of sterling silver and the posts and backs are also silver. The back of the earring is flat and so is the bottom. 925 is stamped on the bottom of the earring, this indicates silver. The is itself excluding the tag measures 10 x 10 millimeters. The stones are cubic zirconia. The word kisses is in blue enamel. The item weighs 3.4 grams. I will provide the kiss shaped that came with the earrings. These earrings have never been worn.