Coroplast 36 in. x 24 in. x 0.157 in. (4mm) White Corrugated Twinwall Plastic Sheet COR-2436 - The Home Depot

36 x 24 Corrugated Plastic Sheets - Short Flute White - USCutter

Coroplast 36 in. x 24 in. x 0.157 in. (4mm) Black Corrugated Twinwall Plastic Sheet (15-Pack) 42678122 - The Home Depot

Corrugated Plastic Sheets - Glass & Plastic Sheets - The Home Depot

Coroplast 48 in. x 96 in. x 0.157 in. (4mm) White Corrugated Twinwall Plastic Sheet CP4896S - The Home Depot

Coroplast 36 in. x 24 in. x 0.157 in. (4mm) White Corrugated Twinwall Plastic Sheet (15-Pack) COR-2436-15 - The Home Depot

Coroplast 36 in. x 72 in. x 0.157 in. (4 mm) White Corrugated Twin Wall Plastic Sheet (5-Pack) 42D14122 - The Home Depot

Coroplast 48 in. x 96 in. x 0.157 in. (4mm) White Corrugated Twinwall Plastic Sheet (10-Pack) WC4896-10 - The Home Depot

24 X 36 Coroplast Sign - 4mm - Blank White Plastic Sheet Board - Fits Most A-frames - 2 Pack : Industrial & Scientific

LEXAN Thermoclear 48 in. x 96 in. x 1/4 in. (6mm) Clear Multiwall Polycarbonate Sheet PCTW4896-6MMCL - The Home Depot