Blue Football Referee Penalty Flag w/Black Ball. Show your support for Prostate Cancer Awareness Month! Now your crew can also be a part of the cause. Our popular penalty flags are now available in LIGHT BLUE. Center weight ball allows you to throw the flag with accuracy and good velocity. Black ball weight provides concealment at the belt-line that you need as an official. Great for spot fouls! NFL style flag made from fade-resistant durable rip-stop nylon material. Patented double-taped "bullseye" design allows this flag to fly straiter than other penalty flags. Weighs 1.9 oz. Proudly Made In The USA.