These Number Balloons are air-filled only! It cannot Be filled with Helium.

♥ [Material]: made of aluminum foil, Auto-seal, eye-catching color, non-toxic, safe, suitable for children; for indoor and outdoor use.

♥ [Applications]: suitable for all parties, activities, and festival needs balloons.

♥ Metallic luster, durable and easy to be inflated, can be inflated and deflated easily, after being inflated, the inflation port is flattened and the air outlet will be automatically sealed,

Includes plastic straw to fill: To be filled with Air only.

1 ct