1.Low cost. 2.Light weight. 3.Easy installation. 4.Water-proof, fire-proof, anti-shake, anti-crack, anti-aging. 5.Good used. Different style and color can be orderedWater-proof, fire-proof, anti-shake, anti-crack, anti-aging.You can just send me a picture or tell me your idea, the style can be ordered as you like. Raw materials: rice straw, bagasse, saw-dust, weeds,fly-ash,Volcanic Ashes. Other ...