PRICES MAY VARY. polyester blend PC Polycarbonate: Transparent roof panels are made of polycarbonate material with high transparency, comparable to glass. It has the characteristics of waterproof, heat insulation and cold protection, good lighting performance, anti-ultraviolet, anti-aging, impact resistance and so on. Our polycarbonate panels, which cool the greenhouse in summer, keep it warm in winter, and provide UV protection. DURABLE AND LONG LASTING: In addition to their beautiful smooth ed