The outer part is made with mizuhiki, and a bell is placed inside. 6. Moss Blue platinum mizuhiki is used. Approximately 2 x 2.3 cm. 7. White silver nishiki mizuhiki is used. It doesn't photograph well, but it's a silver color with glitter. Approximately 2 x 2.2 cm. One bell is 350 yen. Two bells are also OK in combination with other numbers. Please comment if you'd like, and I will accommodate. Please see my profile.