Home / 21st Birthday Banner: Age 21 Banners

21st Birthday Banner: Age 21 Banners

Banners and bunting for a 21st in black and gold, rose gold, pink glitz, navy and gold, blue star and bright confetti designs, in foil, paper and plastic.

  • Order by 1pm Mon–Fri for same-day despatch
  • Free delivery on qualifying orders
  • Next day delivery available at checkout

18 products

Discover the perfect banners for 21st birthday celebrations. Our collection will make it easy to find the perfect 21st birthday banner for this special moment.

21st Birthday Banners

Shop our range of birthday banners 21st celebrations should not be without! Your guest of honour will love them!

Let our huge collection of 21st banners and bunting inspire you to create a visually epic display. Our selection of banners for 21st birthday are available in a range of sizes and designs.

Birthday Banners 21st

Get all the ideas and inspiration you need for the perfect party theme. We make it easy to ensure you have a 21st birthday set up that rises to the occasion. With 21st banners that are sure to add a sparkling touch to their 21st Birthday celebrations.

Banners 21st Birthday

That means finding a 21st birthday banner for him, a neutral 21st banner or perhaps something for her could not be more simple!

Enjoy free delivery on qualifying orders. If you need your happy 21st birthday banner in a hurry, we offer Next Day delivery too!

Frequently asked questions

How long are the 21st birthday banners?
Most foil banners are about 2.74m (9ft), and the prism and bright confetti banners can be cut into 3 pieces for doors or windows. The Pink Sparkle paper letter banner is about 2.1m (7ft) on string.
Which 21st bunting is the longest?
The Gold Sparkling 21st Birthday Bunting is about 4m (13ft). The blue star, pink heart, black and gold fizz and navy and gold glitter bunting (11 flags) are about 3.9m, and the glitz bunting is about 2.74m.
What are the banners made of?
Most are foil. The Pink Sparkle 21st letter banner is paper and string, and the Gold Sparkling 21st bunting is plastic.
Can I hang the bunting across a doorway?
Yes. The black and silver, navy blue and pink glitz bunting, with the number 21 on triangle flags, is made for hanging on a wall or across a doorway.
When will my 21st banner be sent?
Orders placed before 1pm Monday to Friday are despatched the same day. Free delivery is available on qualifying orders; see our delivery information.