Fabric: High grade waterproof fabric, high-grade practical and comfortable to handle. Structure: High density engineering plastic bracket+glass fiber main rod (coated with frosted leather paint)+pure copper rivets are used. Robust and never rusty: Not only does it maximize the wind resistance of the umbrella, but it also effectively reduces the weight of the entire umbrella. Specification: Super large diameter, which can effectively protect family and friends from rain. Opening method: automatic opening and manual closing. Configuration: The entire series is equipped as standard, with an umbrella and a backpackable umbrella, which are very convenient to carry and store.