Perimeter or CCTV signs can be produced in any size up to 24" x 36". Materials available are .020, .024, .040 aluminum and .060 styrene plastic. Aluminum is available in reflective. They are screen printed with the same quality inks as our security signs. Aluminum signs are laminated with mylar. These signs have four 3/16" holes in the corners for mounting on chain link fences, walls or gates.