This product is a Hello Kitty Graduation Balloon that measures 31x21 inches. It is made of Mylar, which makes it reusable and suitable for both helium and airfill. The balloon is perfect for graduation occasions and features the popular character Hello Kitty. Choking hazard CHOKING HAZARD – Children under 8 yrs. can choke or suffocate on uninflated or broken balloons. Adult supervision required. Keep uninflated balloons from children. Discard broken balloons at once Thanks for stopping on by. See my other listings for a multi-item deal!