1. radiation resistant UV advantages. 2.with waterproof, color change resistant. 3. using PE imitation rattan weaving. 1.GB aluminum alloy,alu frame.Through the metal welting process,the product is not deformed but solid.2.Certified by SGS PE imitation rattan,pure--hand knit. It can be also put in indoor.3.PE rattan with a smooth surface,self--willed,anti UV does not fade,and it is easy to clean ...