USA Sealing Plastic Sheet, Polycarbonate, 1/2 in Thickness, 48 in Width, 48 in Length, Clear, 9000 psi Tensile Strength, -40 to 240°F USA Sealing BULK-PS-PC-19 Plastic Sheet, Polycarbonate, 48 in L x 48 in W x 1/2 in Thick, Clear