Characteristics of outdoor umbrella
Outdoor umbrellas have the characteristics of lightness, sturdiness, and convenience for carrying. The umbrella bones are made of aviation aluminum, glass fiber, and even carbon fiber. The umbrella surface is made of high-strength polyester fiber, high-strength nylon coated with silicone oil, and silver-plated. The ones that can completely resist ultraviolet rays, as well as the combination of hand wars and umbrellas and so on.