Modern Japanese Tortoiseshell Pattern It is a cufflink button using the resin parts from the "Black & White series". The combination of Japanese patterns and gold creates a gorgeous and luxurious design. Enjoy the elegant atmosphere. It looks great when paired with items from the same series. This jewelry is also recommended as a gift. Black & White Series: These are the black and white series on six different designs focusing on geometric patterns. It creates various impressions depending on the cut of the surface. When multiple patterns overlap, it turns into a lively accessory. "Black & White Series" View All Because the metal part is nickel free, those who are allergic can use it. The main parts : Epoxy resin Metal: 24k gold Plating Copper and Brass Diameter 1.5cm 9.6g With "Hanaguruma" box Nickel free wb-cb-6he