image.height> 0) {if (image.width> = 700) {this.width = 700; this.height = image.height * 700/image.width;}} "src =" photo22.hexun / p / 2014/0522/524931/b_C7370390B17C0F0F725C13087273F6D1.jpg "alt =" View more wonderful pictures "border =" 0 "> Today most are made of non-woven wallpaper base paper and natural plant fiber, so water resistance comparison poor, but the permeability is better, so we can experiment with a drop of water at the time of purchase to: find a wallpaper with a few drops of water, if there is penetration of the phenomenon after watching a few minutes, if the water can penetrate, then that's breathable wallpaper of qualified fire experiments: general non-woven wallpaper in the burning time will produce carbon dioxide and water, and ash after combustion is not entirely solid addition to the above methods, we can also look at the business at the time of purchase. related products to prove, at least you can guarantee the quality of the wallpaper 0 && image.height> 0) {if (image.width> = 700) {this.width = 700;. this.height = image.height * 700/image. width;}} "src ="