Description Waikiki License Plate Bring a piece of the Aloha State home with our Waikiki License Plate. Measuring 6 x 12 , this Hawaii souvenir makes great accessory in your home, office or car. Great for indoor or outdoor use, this embossed aluminum Waikiki sign features 4 holes for easy mounting and makes a wonderful gift. Special note: These Waikiki plates are not for official use.