Happy Birthday Foil Balloon – Pennant Banner 18 Inch

The classic birthday balloon, done right. This 18-inch round foil features a bold navy background with a colorful pennant banner and confetti details — festive, graphic, and works with almost any party palette.

• 18-inch round Happy Birthday foil balloon with pennant banner and confetti design
• Helium-filled and ready to float on arrival — float time 3–5 days indoors
• Works with any birthday theme — pairs especially well with rainbow, primary color, and classic setups
• Delivery in 11201 · Pickup available in Dumbo, Brooklyn

Round it out with red number balloons for the birthday age, a cluster of star balloons to fill the space, and a latex balloon set in your party colors.

Frequently Asked Questions

Is this balloon helium-filled? Yes — arrives inflated with helium and ready to float.

How long will it float? Foil balloons float 3–5 days indoors. Keep away from heat and AC vents for best results.

What other birthday balloons do you carry? Add star balloons, red number balloons, or browse our full latex balloon collection.

Do you deliver in Brooklyn? Yes — delivery in 11201. Pickup also available in Dumbo, Brooklyn.