1. Self-clean by rain 2. UV protection 3. Chemical resistance 4. Easy assembly&installation ... 800, 1000, 1200, 1600, 1800, 2000Board material3mm polycarbonate solid sheetBracketEngineering plastic Bracket/Aluminum alloyRemarksSizes and colors can be custom ... price2. Impact, not easily smashed.3. Colorful, beautiful and UV resistance.4. Clear, transparent, effective lighting. polycarbonate hollow sheet1 ...