Product features Highway Traffic Supply Sign are Manufactured in the USA.Heavy Gauge .063 Aluminum. Unlike metal signs these will not rustMade with 3M Engineer Grade Prismatic Reflective Sheeting.This sign comes with pre-drilled holes for easy mounting.This sign comes with smooth radius corners for safe handling. Product description ~Highway Traffic Supply is a leading manufacturer of traffic signs in the USA for over 30 years. ~ This Highway Traffic Supply Standard sign is manufactured using 3M Engineer, High Intensity or Diamnond Grade Prismatic Reflective Sheeting. ~This sign is designed to last 5 to 7 years for indoor or outdoor applications. ~ All Highway Traffic Supply signs are made with radius corners for safety and have pre-drilled holes for easy installation. ~ This sign is made using 63 mil thick treated aluminum that resists corrosion and rust. ~ Highway Traffic Supply has more than 10,000 stock legends available to you in various sizes, colors and materials. ~ The Color is Blue and Black on Yellow. ~ This sign Measures 18 inches in height and 12 in width or 24inches high by 18 inches wide. ~ This Highway Traffic Supply "DEAD END NO TURN AROUND" Sign. 12" x 18" sign is intended to control Traffic in a parking lot, on private property or on the Neighborhoods.