Please measure twice before ordering and message us if you have any difficulties finding the right fixture for your needs. THE IDEAL LIGHT COVER: Polycarbonate material is UV stabilized with a continuous operating temperature of 100 – 125C and transmittance of 88%. One piece injection blow-molded. MODERN QUALITY: One piece injection blow-molded with excellent impact resistance, these globes offer an affordable cost solution for light housings. LEADERS IN LIGHTING & PLASTIC SOLUTIONS: KastLite is a leading brand in Lighting Fixtures and Accessories, manufactured in the United States and serving customers across all 50 states. We look forward to serving you!