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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 (186,367)
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Shopper Testimonials
“Cards and sentiments are perfect for my 2 Great-grandchildren, and price is perfect. So glad I found you! I plan to use you again!”
Kathrine - Jun 1st, 2025
“Love your cards! Been very satisfied every time. Have ordered for a variety of occasions and you have never let me down! Thank you! Sandy”
Sandra - Breese, Illinois - Jun 3rd, 2025
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Cards per Page:
Cards: 614 Pages: 21
Most Popular Newest Show adult cards
21st Birthday Butterlies Hand Lettering card
21 Years Old Happy Birthday Piglet with Cupcake ca…
21 Years Old Happy Birthday Cowgirl with Birthday …
21 Years Old Happy Birthday Little Robot card
21 Years Old Happy Birthday Yeti with Birthday Cak…
21 Years Old Happy Birthday African American Merma…
21 years Old Happy Birthday Rat with Cocktail card
21 Years Old Happy Birthday Pirate Skull and Cross…
21 Years Old Happy Birthday Shark with Birthday Ca…
21 Years Old Happy Birthday Otters with Birthday S…
21 Years Old Happy Birthday Skeleton with Birthday…
21 Years Old Happy Birthday Smiling Chimpanzee wit…
21 Years Old Happy Birthday Bear Hugs card
21 Years Old Happy Birthday Himalayan Cat card
21 Years Old Happy Birthday Cake card
21 Years Old Happy Birthday Bulldog Puppy card
21 Years Old Happy Birthday Colorful Chameleon car…
21 Years Old Happy Birthday Squirrel and Nuts card
21 Years Old Happy Birthday Sheep card
I See That You’re 21 Years Old Today Chameleon car…
21 Years Old Happy Birthday Ghost with Cake at Cem…
21 years Old Happy Birthday Zombie with Cake card
21 Years Old Happy Birthday Red Haired Mermaid car…
21 Years Old Happy Birthday Cartoon Gorilla with B…
21 Years Old Happy Birthday Goth Style card
21 Years Old Steampunk Birthday card
21 Years Old Happy Birthday Frankenstein’s Monster…
21 years Old Happy Birthday Mummy card
21 Years Old Happy Birthday Herd card
21 Years Old Happy Birthday Vampire Count with Cak…
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