polycarbonate sheet :thickness(from 1.5mm to 12mm) width(2100mm),length(30m or 50m) per roll color:clear,blue,green,opal,bronze,etc. we receive various sizes. application: 1.roof light for office buildings, department stores, hotels, villas, stadiums, schools ,amusement centers , hospital ect; 2. sound absorbtion wall for free ways , high-speed railway and mrts; 3. indoors swimming pools, sun bath pools, greenhouse roofs and sidings; 4. subway exits, parking lots, garage tents, bus-stops , terminals, shopping arcades, large stadium and rain tents, pagodas hallway tents; 5. robbery counters in banks , jewelry counters and police blast shields; 6. satety roof light for airports and plants; 7. sign boards for advertisement; 8. housing glasses, indoor partitions, sidewalk, sight windows, sunshade, terraces and shower doors