This item HDPE Sheet 48 x 24, White Polyethylene Grade, 0.5 Inch Thick HDPE (High Density Polyethylene) Sheet, Opaque White, Standard Tolerance, UL 94HB, 1/2" Thickness, 24" Width, 48" Length BuyPlastic Natural White HDPE Plastic Sheet 1/8" x 12" x 24", High Density Polyethylene Board