The choice of large sun umbrella tips:
Big sun umbrella handheld classes generally refers to the sun umbrella, mainly use fixed on the ground. High quality large sun umbrella should have uv protection at the same time, function of rain and high winds, choosing the umbrella best choice silver cloth umbrella surface, because the silver layer can reflect most of the ultraviolet ray, it also has the function of waterproof, second is to choose a relatively dense twill, plain weave cloth umbrella surface.
Wind resistance by the main power of large sun umbrella umbrella, umbrella column and umbrella, umbrella stands generally have much iron, cement, such as marble and waterflood umbrella stands. Umbrella umbrella materials generally five kinds of -- -- -- -- -- - wood, iron, aluminum, stainless steel and new composite materials. Wooden craft is complex, high cost, easy to damage, is rare on the market; Have a combination of high strength, no distortion, no rust, the advantages of strong wind resistance, and a reasonable price due to the material performance size can do a lot of advantages, which is able to produce, there are few manufacturers and market difficult to buy, can choose such a not afraid of the wind the sun umbrella is the best. Anyhow, woodiness material is easy to damage, the iron umbrella sun umbrella cheap, ? aluminum alloy and stainless steel materials