Take your children's party to the outer space and meet the astronauts, the planets, spaceships, and stars with our Birthday Astronaut Round Balloon! This round 18" balloon features black as the galaxy color with a big, bold HAPPY BIRTHDAY message for your kids to enjoy.
Our Birthday Astronaut Round Balloon is guaranteed to stay inflated for more than two weeks!
Inflated diameter in inches (centimeters): 14 x 14 (34 x 34)
Gas capacity in cubic feet (cubic meters): 0.5 (0.014)