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21st Birthday Party Bags & Filler Ideas

Coloured paper party bags to fill with 21st birthday favours: holographic and confetti 21st badges, latex balloons, napkins, glitter headbands, neon shutter glasses, leis and add-your-age badges.

  • Order by 1pm Mon–Fri for same-day despatch
  • Free delivery on qualifying orders
  • Next day delivery available at checkout
Shop all 52 productsAdult party bags

52 products

More for the 21st

Finish the party in style

Discover the perfect 21st birthday party bags for your celebration. Ok, so you might think party bags are more for younger children. You would to an extent be right. But what about a party bag with a drink or some special memorobilia?

They are a great addition to a 21st birthday party. Add some party bag fillers for your guests to enjoy and it could not be easier to create the perfect 21st party bags.

Why not add some treats to your 21st birthday party favor bags. Make them into 21st birthday goodie bags that your guests will love. Add some epic 21st birthday party bag fillers for a bag your guests will love.

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

Frequently asked questions

What size are the paper party bags?
The standard paper party bags are about 25 x 12cm and come in packs of 12 (gold and silver come in packs of 10). The neon green and neon orange bags with handles are about 19 x 13cm, or 26cm tall including the handles.
What colours do the 21st badges come in?
The 3 inch (7cm) card 21st badges come in black and silver holographic, blue and silver, pink and silver, rose gold holographic, and black and gold or rose gold confetti designs. There are also gold add-your-age badges with number stickers to apply yourself.
What else can go inside a 21st party bag?
Popular fillers here include glitter It's My Birthday headbands in gold or silver, neon shutter glasses, rainbow Hawaiian leis, reusable flower power straws and stretchy elastic men, alongside 21st badges.
Are the 21st balloons and napkins on this page?
Yes. You'll find packs of 5 or 6 latex 21st balloons (11 to 12 inches when inflated, supplied flat) and 21st napkins in packs of 16 in matching designs such as rose gold, gold and nude blush, and black and silver.
When will my party bags be sent?
Orders placed before 1pm Monday to Friday are despatched the same day, and you can choose next day delivery at checkout. See our free delivery details for qualifying orders.