Decorate your grand event with this adorable dolphin shaped balloon! This balloon is made of high quality aluminum film material. Stronger and less prone to explosion. The dolphin shape is even more eye-catching! It can be filled with helium or hydrogen. Self-sealing after filling. These balloons are very pretty. They are perfect for birthday parties, promotions, anniversaries and more. They can also be an eye-catching and affordable eye-catcher for retail stores and businesses.