Brady 94145 Standard Traffic Sign. More than 100 stock legends are available in various sizes. Relevant Standards is Conforms to MUTCD. Substrate Type is Reflective sheeting Type 1 is (Fed. Spec. L-S-300; ASTM D 4956) on aluminum. Standard Material Colors is White, orange and yellow. Standard Legend Colors is Black, Blue, Green and Red. Abrasion Resistance (Method 5306 of U.S. Federal Test Method Std. No. 191A) are CS10 wheels, 250g. weight, Legend withstands up to 2500 cycles. Gloss (ASTM D523) is 60 degree - 80 Gardner Units. Reflectivity Type is 1(Fed. Spec. L-S-300; ASTM D 4956). Legend is "STOP", measures 36" width by 36" height.