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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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Shopper Testimonials
“So difficult to get nice same-sex Christmas cards. I just love the range at Greeting Card Universe. They are gorgeous, funny, thoughtful and say just whatever you want. The order process is easy and they arrived really fast. Highly recommend.”
Valentina - Nov 28th, 2022
“I have ordered lots of cards from this agency. Each card gets five stars. I haven't been disappointed.”
Rebecca - Nov 28th, 2022
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Cards: 512 Pages: 18
Most Popular Newest Show adult cards
Birthday 21 Year Old Custom Personalized Name Stac…
Birthday for 21 Year Old, The BIg 21 with Custom N…
21st Birthday Pink Argyle Cake With Sparklers card
21st Birthday Pink Roses Polka Dots Gold Stripes c…
21st Birthday Birthday Cake Cupcake Presents Ballo…
21st Birthday Bucket of Beer Custom Name card
Happy 21st Birthday - Blue diamond card
21 years old - Birthday Taco humor card
21st Birthday, Balloons, carrying Present for Her …
21 Year Old Happy Birthday Chalkboard Look card
21st Birthday Candles Add a Name card
Happy birthday - 21 years old card
21st - Birthday - OMG - Alphabet Art card
Butterfly Reflections Daughter 21st Birthday card
Fashionable Girl, 21st Birthday card
Happy 21st Birthday. Cute Birthday Card
21st Birthday for Her Trendy Bling Turquoise Dress…
Happy Birthday 21 Year Old Cute Cat WIth Cake Humo…
3 Photo 21st Birthday Colorful Balloon card
Age 21 Custom Name Happy Birthday Cupcakes Treats …
Age 21 Happy Birthday Cupcakes Treats Heart Candle…
Hand Lettered Birthday 21 Year Old, Colorful Ballo…
Happy Birthday Turning 21, Drinking Humor with Mar…
21 Birthday Cake with Candles card
You Make 21 Great Again Happy Birthday Trump Hat c…
Happy 21st Birthday Funny Dog in Party Hat Humor c…
OMG! you’re turning 21! card
21st Birthday,Girl Celebrating on Cocktail Glass c…
Happy 21st Birthday Yorkie in a Party Hat Humor ca…
Happy 21st Birthday! card
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