Accent your dinosaur themed party with this 50 inch large unique shape Triceratops foil mylar balloon. The perfect balloon for your dinosaur party, this 50 inch Northstar party balloon is great for setting the scene! This balloon includes a self-sealing valve, preventing the gas from escaping after it’s inflated. The balloon can be inflated with helium to float or with a balloon air inflator. Balloon arrives uninflated.