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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 (191,570)
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Shopper Testimonials
“Have been buying these great cards for years! Have always loved the great selection and ability to edit inside text, but recently I’ve gotten adventurous and added a photo to the left-hand side of the card. Talk about personalization! Can’t beat the price either. So to me, there is no other way to buy a greeting card.”
Jane - Stratford, Connecticut - Oct 28th, 2026
“What a beautiful, special card and love the ability to edit the message. Received well before expected and in excellent condition. 100% satisfied! Thank you!”
Michael - Oct 27th, 2026
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Cards per Page:
Cards: 635 Pages: 22
Most Popular Newest Show adult cards
21 Years Old Steampunk Birthday card
21 Years Old Happy Birthday Frankenstein’s Monster…
21st Birthday Toast Pink Champagne and Roses Custo…
21 Years Old Happy Birthday Steampunk Hamsters car…
21 Years Old Happy Birthday Otters with Birthday S…
21 Years Old Happy Birthday Cartoon Karate Kick Gi…
21 years Old Happy Birthday Zombie with Cake card
21 Years Old Happy Birthday Ghost with Cake at Cem…
21 Years Old Happy Birthday Ginger Cat with Magnif…
21 Years Old Happy Birthday Herd card
I See That You’re 21 Years Old Today Chameleon car…
21 Years Old Happy Birthday Kawaii Bee with Cowboy…
21 Years Old Happy Birthday Cute Panda Bear card
21 Years Old Happy Birthday Goth Style card
21 Years Old Happy Birthday Frankenstein’s Monster…
21 years Old Happy Birthday Mummy card
21 Years Old Happy Birthday Vampire Count with Cak…
21 Years Old Happy Birthday Crashtest Dummy with B…
21 Years Old Happy Birthday Cute Octopus with Birt…
21 Years Old Happy Birthday Smiling Cartoon Lion c…
21 Years Old Happy Birthday Cartoon Female Pirate …
21 Years Old Happy Birthday Red Haired Mermaid car…
21 Years Old Happy Birthday Robots card
21 Years Old Happy Birthday Zombie with Cupcake ca…
21 Years Old Happy Birthday Siamese Cat Playing Gu…
21 Years Old Happy Birthday Bear with Red Balloon …
21 Years Old Happy Birthday Latina Mermaid card
21 Years Old Happy Birthday Ginger Kitty with Cake…
21 Years Old Happy Birthday Zombie Monsters card
21 Years Old Happy Birthday Cartoon Gorilla with B…
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