CORRUGATED BOARD 4′ x 8′, 4mm corrugated plastic sheet. Choose from white or black. Lightweight, strong and weather resistant; indoor/outdoor use. Custom cuts to your size specification are not included in pricing; please call for cost. Please note that full-size sheets (48″x96″) and half-size sheets (48″x48″) require additional shipping charges, please contact us for the cost. 616-583-9400.