Polycarbonate Sheet,They are in high quality,if you are interested in it,please contact me. 1.good light transmission 2.fine i PC Embossed sheet,Applications:1. Telephone booths2. Road signs and advertisements3. Billboards on lamp boxes4. Lighting and partition walls for banks,hospital and stations5. Greenhouses for vegetables,zoos,aquatic products,etc6. Sound and heat insulation for expressways7 ...