sound non-toxic and pollution-free, no simulation, no radioactive, a wear-resistance, ... ,shoppingmall,hospital,airport,train station,school,industrial or commercial building and so on.Comparative advantages ----wearable, anti-pressure, anti-slipping, ... shock-proof, coefficient and elastical, anti-infrared ray .waterproof , fireproof, heat and noise insulation.Can stand up from - ...