Advertising umbrella of a lot of size, from 30 "to 60" and above. Generally on the road in the shade of an umbrella ad size is 44 "and larger is 48." This is more common.
The size of the so-called umbrella from the top of the umbrella away from the beads. (That is, that 8 or 10 long bone length)
There are materials, iron, fiber, iron is relatively low, the fiber is more high-end.
There are cloth umbrella, is also a good range, polyester, economic impact, nylon, Oxford, TNT, and so on. Coupled with the screen.
There is a specific need, please contact me. I do sun umbrella