Polycarbonate sheets, likely for roofing or similar construction purposes. Polycarbonate is a type of plastic known for its durability and resistance to impact. The text visible on the sheets mentions "Polyee lycarbo" and "tiwall" which may refer to a specific brand or type of polycarbonate sheet.
Polycarbonate sheets are often used for roofing, skylights, and other applications where a strong, transparent or translucent material is needed.
They are known for being lightweight, flexible, and resistant to UV rays.