Plaskolite 0.157-in T x 30-in W x 36-in L 1TW3036C

Twinwall, also known as corrugated plastic cardboard sheet is waterproof and lightweight. Ideal for projects around the home, office and jobsite. A very versatile sheet that is widely used in applications ranging from hobby, craft, and school projects to construction applications such as surface protection and templates for signs and printing projects.