Happy Birthday Rainbow Cloud Foil Balloon – 18 Inches

Bright, cheerful, and full of rainbow energy. This 18-inch Happy Birthday foil balloon features a happy cloud and rainbow design — a fun, colorful accent that works beautifully in unicorn-themed party setups, rainbow birthdays, or any celebration that wants a pop of pastel magic.

• 18-inch round foil balloon with happy cloud and rainbow design
• Helium-filled and ready to float on arrival — float time 3–5 days indoors
• Works beautifully in unicorn-themed setups, rainbow birthdays, and girls' party arrangements
• Delivery in 11201 · Pickup available in Dumbo, Brooklyn

Pairs perfectly with our Rainbow Unicorn Foil Balloon, Unicorn Round Foil Balloon, and the full Unicorn Balloon Set. Add a pink number balloon for the birthday age. Great alongside our Pink Heart Foil Balloon and Pink Star Foil Balloon.

Frequently Asked Questions

Does this balloon have a unicorn on it?
No — this balloon features a happy cloud and rainbow design. For unicorn balloons, check out our Rainbow Unicorn Foil Balloon and Unicorn Round Foil Balloon.

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.

Do you deliver birthday balloons in Brooklyn?
Yes — Delivery in 11201. Pickup also available in Dumbo, Brooklyn.