THUNDERBIRD PARKING ONLY - Miniature Fun Parking Sign Fantastic gift for the Motoring Enthusiast, Great fun for Home, Bar, Den, Workshop or Garage. These Novelty Mini signs are about 2/3rds the size of a regular street sign, Not too big - Not too small. Size: 11" (27.5cm) high x 7.5" (19cm) wide x 1/32" (0.8mm) thick. Made from Polypropylene - A high quality water resistant plastic ideal for indoor or outdoor use.