What fabric is the umbrella made of?

There are three main types of cloth for umbrellas, from lowest to highest in cost: silver tape, pearlescent cloth and touch cloth. 
Among them, the silver tape has a good ultraviolet function, but after a long time of use, the silver tape is easy to break away from the folding place. 
The color of pearlescent cloth is more gorgeous, deeply loved by the lady, but the effect of preventing ultraviolet rays from the sun is not ideal. 
Touch appearance cloth price is most expensive, but prevent ultraviolet ray function, the stable degree of quality, colorific class is quite ideal, it is best umbrella cloth, touch appearance cloth only commonly in high-grade umbrella.