All traffic signs have are body from aluminum 1,5, 2 and 2,5 mm. aluminum. face of signs is for retroreflective films depends of customers needs. we have 3 class of retroreflections:
Engeneering grade
High-intensity
Diamond grade.
Signs on customers demand may have are steel body, with electrostatic paint
also signs have in several dimension from 400mm to 1200mm.