... 2) High quality, best price 3) Material: transparent PC 4) waterproof, UV protection,noise insulation material: ... Door panel: high quality imported transparent PC (polucarbonate)Track: Aluminun alloyFuntions: Transparent, guard against theft, waterproof, sound ... : shop , mall, supermarket,restaurant,etc. polycarbonate transparent roller shutter door/PC rolling door/crystal roll up ...