36 in. x 24 in. x 0.157 in. (4mm) Black Corrugated Twinwall Plastic Sheet (15-Pack)
https://www.probuilderswarehouse.com/shop/1004337854-0-36-in-x-24-in-x-0-157-in-4mm-black-corrugated-twinwall-plastic-sheet-15-pack-2204238
https://www.probuilderswarehouse.com/web/image/product.template/2204238/image_1920?unique=b31ad15
Brand: Coroplast
Model: 42678122
SKU#: 1004337854.0
Barcode: 309544069
