ZING Parking Sign, "Emergency and Authorized Vehicles Only," meets MUTCD standards and clearly communicates critical parking information. The sign is made in the USA from recycled aluminum and features 3M Engineer Grade Prismatic (EGP) reflective sheeting. EGP sheeting meets ASTM Type I specifications, and has an outdoor life expectancy of 5-7 years. The sign measures 18"H x 12"W, and has pre-drilled holes for easy mounting.