FEATURES UL STYLE""MARGIN-TOP0PX; PADDING-TOP 5PX; PADDING-BOTTOM 5PX;"" SHIELD RUGGED DURABLE ALUMINUM BOUND WINDOW IS IMPACT AND CHEMICAL SPLASH RESISTANT OPTICS MOLDED TO SHAPE PROVIDING EXCELLENT OPTICAL CLARITY UNIVERSAL CROWN EASY TOGGLE SYSTEM ALLOWS ONE FIT OTHER BRANDED UNIVERSAL WINDOW SHIELDS TO CROWN APPLICATIONS GREAT ECONOMICAL SHIELD FOR A WIDE VARIETY OF INDUSTRIAL CONSTRUCTION EDUCATIONAL OR DO-IT-YOURSELF APPLICATIONS OSHA COMPLIANT MEETS ANSI Z87.1 + HIGH IMPACT