SmartSign 3M Engineer Grade Reflective Sign, Legend "Warning: Permit Parking Only Towing Enforced" with Graphic, 18" high x 12" wide, Red on White Legend "WARNING PERMIT PARKING ONLY UNAUTHORIZED VEHICLES WILL BE TOWED AT VEHICLE OWNER'S EXPENSE TOWING ENFORCED AT ALL TIMES" Lyle signs supplies your sign with radius corners for safety; holes punched for post mounting Lyle Standard signs have a 7 year durability Lyle Signs produces signs that exceed industry standards and specifications The temperature range is -40 to 175 degrees F