Ejoy 72 in. L x 27.5 in. W x 0.31 in. Corrugated Polycarbonate Plastic Clear Twin Wall Roofing Panel (Set of 8-Piece) TwinWall_TWPSC72x24_8mm_8pc - The Home Depot
LEXAN Thermoclear 48 in. x 96 in. x 0.314 in. (8mm) Softlite Polycarbonate Multi-Wall Sheet 15762128 - The Home Depot