Black & White Checkered Racing Flags (12 Pack) 16" X 11" X 21" - Party Decorations & Flags & Bunting Make your next birthday party a winner with these Black & White Checkered Racing Flags! Each 16" x 11" plastic flag comes on a 21" wooden stick. With a traditional black and white checkered design, these racing flags will fit right in with a speedway theme. 1 Dozen Racing flags are a great way to decorate tables or pathways.