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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
“This is an excellent quality card in every way, my Mum and sister were very please with it.”
Mark - Jul 28th, 2025
“Varied cards for recognition of many special days. Highly recommend this site which one can also personalized cards. I will continue to order from this site as need arises in days ahead.”
Patricia - Jul 29th, 2025
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Cards per Page:
Cards: 615 Pages: 21
Most Popular Newest Show adult cards
Happy 21st Birthday Wish, Tiger card
Happy 21st Birthday Party Cake card
21 Today, Happy Birthday, Teacup, Lily of the Vall…
21st Birthday, Raccoons with party hats and colorf…
Birthday, 21st, Tulip and Butterfly, Religious car…
Happy 21st Birthday Boxer Dog card
21st Birthday card with cats and butterflies, add …
21st Birthday Humor Silhouetted Black Crows in Tre…
Client request Kaitlyn’s 21st birthday, United Sta…
Happy 21st Beer Birthday Funny Card
Happy 21st Birthday Cards -- Peace Symbol and Flow…
21st Birthday for Sweetheart card
Happy 21st Birthday Beautiful Flower Arrangement P…
Happy 21st Birthday with Red Wine card
Happy 21st Birthday Magical Unicorn Fun card
Blue Watercolor Flowers Happy 21st Birthday Card
21st Birthday, Golf Jokes card
21st Birthday Flower Decorated Numbers card
21st Birthday, Stylish Modern card
Birthday Candles card
Happy 21st Birthday card
Happy birthday for 21 year old, Jazz cats play mus…
21st birthday wine and birthday candles card
Funny Whale Pun 21st Birthday card
For 21st Birthday Petunia Rose Floral Wreath Water…
Happy 21 st Birthday card
21st Birthday Festive and Bright Balloons and Star…
Cute and Funny Dog You Look Good Happy 21st Birthd…
Age 21, Golfing birthday card. card
21st Birthday Wishes, Colorful Cupcake and Balloon…
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