Clear Textured Acorn Streetlamp- 16.65"H x 11.56"W with 5.25" Neckless Opening (4132N-CL-) Material: Acrylic- Impact modified and UV resistant with continuous operating temperature up to 90 degrees Celsius and transmittance of 92% ( application dependent). Acrylic streetlamps are available in clear or white. Polycarbonate-UV stabilized with continuous operating temperature of 100 degrees Celsius to 125 degrees Celsius and high impact resistance down to -40 degrees Celsious, transmittance of 88% (application dependent). Polycarbonate streetlamps are available in clear textured.