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21st Birthday Cards

Drink ... drank ... drunk? Not too much, we hope. Send a 21st Birthday Card to someone who has hit that milestone like a boss and is ready to celebrate. Choose from 790+ exceptional designs, add your personal message, and we'll mail it next business day. Throwing a party? No worries. We have 21st Birthday Party Invitations, too. Yeah, 'cause we're cool like that.

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Birthday (187,687)
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Shopper Testimonials
“All cards were great as always!”
Barbara - Sep 17th, 2025
“Received the card promptly. Beautifully done. Thank you”
Patricia - Sep 18th, 2025
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Cards per Page:
Cards: 619 Pages: 21
Most Popular Newest Show adult cards
Happy 21th Birthday Hearts card
Happy 21st Birthday Futuristic Sports Car card
21st Birthday Guy Humor card
21st Birthday -- Creative Card Bytes card
21st Birthday Add A Name James Spotlights card
21 Hugs - Happy Birthday card
BIRTHDAY, 21ST, Scenic Beach with Oval Inset card
21st Birthday For Anyone Silly Dogs Humor card
Funny 21 Birthday with Cocktail Olive card
21st Birthday, Beach with 3D sand letters card
Happy 21st Birthday with Horse and Rider on the Tr…
21 Years Old Lit Candle Happy Birthday card
21st Birthday Motorbike card
Happy 21st Birthday card
Happy Birthday Stars, 21 card
Hot Rodders 21st Birthday Card
21st Birthday Bright Lights card
21st Birthday with Cake and Champagne in the Vinta…
21st Birthday, cute Elephant flying with balloons!…
21st Birthday, Raccoon flying an airplane card
21st Birthday Retro City Movie Poster with Spotlig…
Funny Birthday for Her Turning 21 card
Birthday 21 Years old Bright Shiny Colorful card
Happy Twenty-first Birthday card
Birthday - 21st - Old Worn Baseball card
21st Birthday - Hitting 21 card
Happy Birthday 21,cute Cat, Mousehole. card
Cowboy and Horse 21st Birthday Silhouetted in Red …
A crown on your head. 21st Birthday card
21st Birthday Cupcakes Galore card
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