12 inch balloons with the phrase "happy birthday" surrounded by stars, polka dots, festoons, confetti and much more. Available in assorted colors or in different monochrome varients.

Filled with helium in a closed environment (18° C) float time is approximately 18 hours.
Filled with air in a closed environment (18° C) float time is approximately 20 days.

When inflating latex balloons with air or helium we recommend inflating until the balloon has a tear drop shape. Be careful not to under-inflate (round shape) or over-inflate (pear shaped) for maximum flying times. Latex balloons can be sealed by tying the balloon neck or using one of our balloon closures.

This balloon is biodegradable.

* The dimensions shown may differ slightly.