Happy Birthday Balloons Foil Balloon - 18 Inch

The classic, done right. This 18-inch Happy Birthday foil balloon is covered in a cheerful burst of red, pink, yellow and purple balloons with stars and confetti, an easy fit for any birthday, any age, any theme.

• 18-inch round foil balloon with "Happy Birthday" script and a colorful balloon-and-confetti design
• Helium-filled and ready to float on arrival — float time 3–5 days indoors
• Works solo as a birthday surprise or as the accent balloon in any bouquet
• Delivery across Brooklyn · Pickup available in Dumbo, Brooklyn

Build it into a bouquet with our Rainbow Star Balloon Bouquet or a handful of latex balloons. Add a gold number balloon or pink number balloon for the birthday age, or design your own in the Bouquet Builder.

Frequently Asked Questions

What size is this balloon?
18 inches round.

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.

Can I send a birthday balloon as a gift?
Yes — we deliver across Brooklyn in 2-hour delivery windows, so it can show up at their door ready to float.