1.Water-proof, fire-proof, anti-shake, anti-crack, anti-aging. 2.easy for installation. 3.light weight. 4,low cost 1.Different style and color can be ordered2.Water-proof, fire-proof, anti-shake, anti-crack, anti-aging.3.You can just send me a picture or tell me you idea, the style can be ordered as you like.Raw material: rice straw, bagasse, saw-dust, weeds,fly-ash,Volcanic Ashes Other material: ...