21st Birthday Party Themes

Happy 21st! It’s an exciting birthday, so an exciting party is a must. We can make your 21st birthday party planning easy and affordable with our trendy variety of party themes. Our party packs come with tableware, streamers, balloons and more! For more ideas on throwing the best birthday party, grab some inspiration from our birthday blog ideas.

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23 Colors

Gold Plastic Party Pack For 20

$23.09 kit for 20
 
23 Colors

Hot Pink Plastic Party Pack For 20

$24.24 kit for 20
 
23 Colors

Silver Paper Party Pack For 20

$21.99 kit
 
23 Colors

Mimosa Paper Party Pack For 20

$23.09 kit
 
23 Colors

Lime Green Paper Party Pack For 20

$21.99 KIT
23 Colors

Lavender Paper Party Pack For 20

$21.99 kit
23 Colors

Hot Pink Paper Party Pack For 20

$23.09 kit
 
23 Colors

Silver Plastic Party Pack For 20

$23.09 kit for 20
 
23 Colors

Mimosa Plastic Party Pack For 20

$24.24 kit for 20
 

Cheers to 21 years! Our party packs include all the party essentials, so the only thing you have to worry about is where you’ll go for your first drink. We have several colorful patterns and designs, and, if you’re looking for something a little simpler, we also have plain party packs in 20 different colors.

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21st Birthday Party Themes

If you're struggling for amazing ideas for a 21st birthday celebration, look no further. Celebrate with a theme party such as a Roarin' 20s theme! Other great 21st birthday party ideas include a luau, Disco night, masquerade or Hollywood-style party with a red carpet, spotlights and lots of props. The party's theme will determine its location, whether it's best to hold it at someone's house, outdoors or at a public venue.