Sakura Usagi Umbrella
- Opening diameter: 94cm
- Main ribs length: 55cm x 12 ribs
- Weight: 420g
- Material: Glass-fiber
∴ Glass fiber also called fiberglass. It is material made from extremely fine fibers of glass Fiberglass is a lightweight, extremely strong, and robust material. Although strength properties are somewhat lower than carbon fiber and it is less stiff, the material is typically far less brittle, and the raw materials are much less expensive. Its bulk strength and weight properties are also very favorable when compared to metals, and it can be easily formed using molding processes.