Looking for an eye-catching twenty-first birthday gift? Mark the occasion with our fantastic 21st birthday balloons. Available as a striking single balloon or as a beautiful balloon bouquet. Keep the traditional "Key Of The Door" Birthday going and surprise your youngster with this great fun gift. It's a winner!


18" Rainbow 21 Confetti

£14.00


18" Rainbow 21 Confetti Balloon in a Box

This Superb 18" Rainbow 21 Confetti Balloon Gift will intrigue and thrill a lucky family member or friend! Expertly put together and blown up by our in house qualified balloon decorators!

Balloons Details
Happy 21st Holographic

£14.00


Happy 21st Holographic Balloon in a Box

This Superb Happy 21st Holographic Balloon Gift will intrigue and thrill a lucky family member or friend! Expertly put together and blown up by our in house qualified balloon decorators!

Balloons Details
18" Blue Holographic Happy 21st Birthday

£14.00


18" Blue Holographic Happy 21st Birthday Balloon in a Box

This Superb 18" Blue Holographic Happy 21st Birthday Balloon Gift will intrigue and thrill a lucky family member or friend! Expertly put together and blown up by our in house qualified balloon decorators!

Balloons Details
Happy 21st Birthday Girl Holographic

£14.00


Happy 21st Birthday Girl Holographic Balloon in a Box

This Superb Happy 21st Birthday Girl Holographic Balloon Gift will intrigue and thrill a lucky family member or friend! Expertly put together and blown up by our in house qualified balloon decorators!

Balloons Details
21st Balloon Birthday

£14.00


21st Balloon Birthday Balloon in a Box

This Superb 21st Balloon Birthday Balloon Gift will intrigue and thrill a lucky family member or friend! Expertly put together and blown up by our in house qualified balloon decorators!

Balloons Details
21st Birthday Supershape

£26.00


21st Birthday Supershape Balloon in a Box

This Superb 21st Birthday Supershape Balloon Gift will intrigue and thrill a lucky family member or friend! Expertly put together and blown up by our in house qualified balloon decorators!

Balloons Details
Radient Giant 21

£24.00


Radient Giant 21 Balloon in a Box

This Superb Radient Giant 21 Balloon Gift will intrigue and thrill a lucky family member or friend! Expertly put together and blown up by our in house qualified balloon decorators!

Balloons Details
Starry 21st happy Birthday

£29.00


Starry 21st happy Birthday Balloon in a Box

This Superb Starry 21st happy Birthday Balloon Gift will intrigue and thrill a lucky family member or friend! Expertly put together and blown up by our in house qualified balloon decorators!

Balloons Details
21st Birthday Balloons Holographic

£29.00


21st Birthday Balloons Holographic Balloon in a Box

This Superb 21st Birthday Balloons Holographic Balloon Gift will intrigue and thrill a lucky family member or friend! Expertly put together and blown up by our in house qualified balloon decorators!

Balloons Details
Radient Giant 21

£24.00


Radient Giant 21 Balloon in a Box

This Superb Radient Giant 21 Balloon Gift will intrigue and thrill a lucky family member or friend! Expertly put together and blown up by our in house qualified balloon decorators!

Balloons Details

The next available delivery date is the 30th May 2018

About Us

Balloon in a Box has been sending out balloon delivery gifts for over 10 years, so it's fair to say we're experts at what we do. Rest assured that when you order with us, you're in good hands.

Please note that you can order a balloon up to a year in advance before the date you'd like us to send it

Contact Us

You can call us on 0845 486 2060 or, if you're calling from overseas, on +44 113 359 3144. Calls are charged at local rate.

Alternatively you can send an email to sales@ballooninabox.co.uk or submit an online enquiry by visiting our contact us page and we'll get back to you ASAP.

Opening Hours

We're open Monday to Friday - 9am to 5pm

Anything else we can do?

If there's anything else balloon related, that you can't find on this site, please give us a call and we'll sort it out for you. We can print balloons, supply you with helium, help you with party balloons and much more.