Our Tow Away Customers Only Sign measure 18”x 24” on durable .032” aluminum with a weather resistant baked enamel finish. The text is either silk- screened or vinyl lettered, glossy black on white for optimum visibility around the clock. Simple and quickly understood they provide a business solution that puts customers first. Reference to the applicable CA Vehicle Code section included. Ready to ship. Ask about the CP Richards Volume Discount Program!