Silk Reflections Boo Cats Garden/Mailbox Flag (12-1/2" X 18") Silk Reflections Boo Cats Garden/Mailbox Flag This Halloween flag measures 12-1/2" X 18" and is for use on a mailbox with a bracket (not included). Features three black cats and one yellow cat sitting on a fence with a ghost and full moon in the distance. The black cat's tails form the word "BOO"! The flag has a light green border. Crafted of 100% all-weather polyester! Brand new in original factory-sealed plastic packaging!