Awesome Scooby-Doo Birthday Party Jumbo Add-An-Age Letter Banner Decoration, Paper , 10' X 10" Features jumbo letters that spell out HAPPY BIRTHDAY in green and purple, with Scooby-Doo or Shaggy's crew printed on each letter. Comes with the number 0-9 so that you can customize the age that appears in between the two words. Banner measures 10 1/2' x 10" A must have for your Scooby Doo Party Theme.