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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 (188,071)
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Shopper Testimonials
“I love this company! My husband is retired and home ALL THE TIME. And so for me to sneak out and buy him any cards, is impossible! This company makes it so easy!”
Paula - Valley Springs, California - Jul 28th, 2025
“Beautiful and perfect Saint Monica greeting card.”
Bethany - Jul 28th, 2025
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Cards per Page:
Cards: 615 Pages: 21
Most Popular Newest Show adult cards
21 Years Old Happy Birthday Kawaii Bee with Birthd…
21st Birthday, Religious - May God Bless you with …
Custom Birthday for Age Specific Colorful Floating…
Happy 21st Birthday - Lavender Swirls card
21st Birthday Red Tulips for Her card
21st Birthday with Crown and Gold Look Dots on Pea…
Happy 21st Birthday Getting Older Cranky Old Lady …
21st Birthday Seahorse and Shells Watercolor Effec…
Cats 21st Birthday (Bud & Tony) card
21 years old - Birthday - Holy Mackerel card
21st Birthday Rowing a Kayak on the Lake card
21st Birthday Little Springy Cartoon Cow card
21st Birthday - Humorous, Whimsical Card with Hipp…
Humorous 21st Birthday Card My Baby’s All Grown Up…
Happy 21th Birthday Circles and Flowers card
Customizable Age Happy 21st Birthday Fox Bunny Cat…
21 Black Jack card
Birthday, 21st, Explosion of vivid colors and star…
Birthday Customized for Any Age Hummingbird with H…
Happy 21st Birthday Card - Black & Turquoise Flowe…
21st Birthday, Zombie Hand writing a message in dr…
For Customized Age Twenty One Birthday Bald Eagle …
Twenty First Birthday Card With Roman Character Ha…
Customized Age Birthday Twenty First Yellow Calla …
Twenty One Year Old Birthday Wishes Luna Moth and …
Happy 21st Birthday Cute Squirrel in Party Hat Hum…
21st Birthday with Golden Butterflies card
License Plates Happy 21st Birthday Card Car Lover …
Zebra Print Kaleidoscope Design for 21st Birthday …
Twenty First Birthday With a Checklist of Years Fr…
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