Signs come in 2 Material Types:
Rigid Plastic
.050 thick polystyrene material is ideal for long lasting indoor or outdoor use. Signs are standard with radius corners and pre-drilled corner mounting holes.
Standard Aluminum
.040 aluminum has baked-on enamel on both sides, allowing it to be printed on both sides. It is weatherproof and non-corrosive, making it ideal for indoor and outdoor use. Signs are supplied with radius corners and pre-drilled mounting holes. Excellent for placement on a wall or fence.