Ejoy 72 in. L x 27.5 in. W x 8 mm Thickness Corrugated Polycarbonate Plastic Clear Twin Wall Roofing Panel (Set of 1-Piece) 72x26TwinWall_1pc - The Home Depot
Polycarbonate U Cap for 8mm Twin Wall Polycarbonate Panel, Clear, 3 fe – Silk Road Greenhouse