I made flower parts using chirimen fabric and other materials, using the tsumami zaiku technique. Two-tiered round tsumami: 1 piece Diameter: Approximately 4cm Luxurious double-layered ken tsumami: 5 pieces Diameter: Approximately 3.5cm Double-layered ken tsumami: 10 pieces Diameter: 4cm The backs do not have bases for easy processing! Please attach them to your favorite parts and use them. These are handmade, so there may be some imperfections, but please understand this before purchasing. Thank you. Tsumami zaiku, tsumami, handicraft, hair accessories, covered buttons, hairpins, handmade materials, flower