Home / Rainbow Colourful Confetti 21st Birthday Party Supplies and Ideas

Rainbow Colourful Confetti 21st Birthday Party Supplies and Ideas

Bright rainbow confetti balloons for a 21st, with multicoloured 21 table confetti, rainbow ombre fans, red and yellow tableware and decorations, number 2 and 1 balloons and candles, and helium 21st gifts.

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

68 products

Add a touch of radiance to your 21st Birthday party celebration with our Radiant 21st birthday party range. Everything your need to add some colour to your 21st birthday party!

Our Radiant 21st Birthday party supplies include filled party bags, party invitations, balloons, decorations and tableware, including cups, plates, napkins and tablecovers. Unleash the sparkle with our ready made Radiant 21st birthday party pack ideas!

With Free and Next Day UK Delivery options available, you will feel like all your birthdays have come at once!

Looking for more inspiration? Explore our full range of 21st birthday decorations in every colour and theme.

Frequently asked questions

Is there rainbow printed tableware?
The tableware here is bright block colour rather than rainbow print: Radiant Happy Birthday plates (23cm, pack of 8), red 2 ply napkins (pack of 20), red or sunflower yellow 138 x 274cm tablecovers and yellow serving platters (pack of 3).
What 21st table confetti do you have?
There's multicoloured 21st birthday foil confetti and multicoloured 21 paper and foil confetti, both 14 grams, plus a 20 gram bag of ombre rainbow paper confetti.
What sizes are the foil balloons?
Rainbow confetti 21st foil balloons are 18 inches. Number 2 and 1 balloons are 34 to 35 inches in rainbow, rainbow splash, colourful, green and silver, and the Radiant Happy Birthday foil comes in 18 and 32 inch. All are supplied flat.
Which number candles suit a 21st?
Number 2 and number 1 candles come in rainbow metallic, pink and blue sparkle and pink glitter, with extra number 2s in blue glitter, silver glitter, rose gold glitter and rose gold ombre.
Can I send 21st balloons as a gift?
Yes. The rainbow, rainbow splash and green giant 21 number balloons in a box and the confetti 21st helium balloons in a box arrive ready to go. The rainbow confetti trio can be personalised from £5, and you can add a gift message.