The balloon measures 19” x 28″ and is suitable for helium inflation, and 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
Self-sealing mylar foil balloon
Indefinite shelf life
Printed on both sides
Will remain inflated for weeks
Can be “topped-off” with helium when needed.