TNT Fireworks, Confetti cannons are an exciting way to announce the gender of your baby! Our generic design keeps the crowd guessing until you're ready for the big reveal. Our 12", Blue Confetti Cannon is great for smaller rooms to big venues, and now includes biodegradable paper confetti! This unique confetti is a specially treated paper that makes clean-up a breeze. This cannon launches a frenzy of bright blue colored confetti 10 feet! These are for outdoor use only.