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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 card was so cute and I loved that I could personalize it with my own additions to the text and a picture of my husband and me with our grandson. The quality is excellent as well.”
Dori - Lake Luzerne, New York - Aug 3rd, 2020
“Lovely cards. Good service and easily personalized. I would definitely recommend.”
Sheena - Aug 4th, 2020
Cards per Page:
Cards: 527 Pages: 18
Most Popular Newest Show adult cards
Birthday 21 Year Old Custom Personalized Name Stac…
Customize: Cover text, inside text
Inside Text: Hope your Birthday is stacked high with fun. Happy 21st Birthday!
Artist: Teri Nelson Kuster
Artist Notes: The long anticipated Birthday of 21 is finally here for your Daughter, Granddaughter, Niece, Friend or other Family Member and you want a very special card to say Happy 21st Birthday to them with. This little five layer cake, filled with hearts, bows, swirls, and the repeated number 21 will be one that will be treasured by this special Birthday person. Their name will appear at the bottom of the card, you simply type it in as you order the card, personalizing it for them alone. Your inside wording to the new 21 year old is "Hope your Birthday is stacked high with fun. Happy 21st Birthday!"
Product Id: 1378380
Birthday for 21 Year Old, The BIg 21 with Custom N…
Customize: Cover text, inside text
Inside Text: Happy 21st Birthday! Hope all of your fondest dreams come true!
Artist: Teri Nelson Kuster
Artist Notes: Turning 21 is an important Birthday and one that everyone loves to celebrate. Add to the excitement of someone special turning 21 by giving them this vividly colored and fun card with the wording "The Big 21". The background is a rich royal blue with the number 21 centered in huge turquoise striped and green polka dot numbers. There is a flame atop the one, making it serve as a Birthday candle also. Below the number, 21, is the space to add the Birthday celebrant's name, by typing it there as you order their card. The inside wording of the card is "Happy 21st Birthday! Hope all of your fondest dreams come true!"
Product Id: 1385660
21st Birthday Cosmo Humor card
Customize: Inside text only
Inside Text: Just kidding... I’ll buy you one! Happy Birthday!
Artist: İtotallypainted
Product Id: 183343
21st Birthday Bucket of Beer Custom Name card
Customize: Cover text, inside text
Inside Text: Drink it all in ... Your twenty-first birthday only comes once in a lifetime!
Artist: İDoreen Erhardt
Artist Notes: Fun Custom Birthday Card for the person turning 21, the legal drinking age! Done in gold hues with a bucket of beer, confetti, and balloons. Some elements by Freeimages in the U.K.
Product Id: 1015307
21st Birthday Pink Roses Polka Dots Gold Stripes c…
Customize: Inside text only
Inside Text: As you turn twenty-one on this special day, may every happiness come your way. Sending good wishes, hugs and kisses, too, for a birthday that’s special, just like YOU!
Artist: Starstock Greetings
Artist Notes: A 21st birthday card with the number 21 embellished with pink roses against a pink, gold and white background with polka dots and stripes. The Happy Birthday text is in a black frame with pink border.
Product Id: 1478388
21 years old - Birthday Taco humor card
Customize: Inside text only
Inside Text: Hope your birthday is el grande!
Artist: Corrie Kuipers
Artist Notes: Cute cartoon of a kawaii taco with party hat on a red background with the text "Ay Caramba! You're turning 21, let's taco 'bout it." Fun birthday card for everyone!
Product Id: 1155952
Happy 21st Birthday - Blue diamond card
Customize: Inside text only
Inside Text: The best is yet to come - May this wonderful day be a brilliant start to the rest of your life. Happy 21st Birthday!
Artist: İ Red Rose Digital Art
Artist Notes: This modern Happy 21st Birthday greeting card features a large glass-effect 21 layered on a soft blue diamond gradient. Minimalist and trendy!
Product Id: 128325
21st Birthday Birthday Cake Cupcake Presents Ballo…
Customize: Inside text only
Inside Text: May your special day be filled with all the things that make it a perfect 21st BIRTHDAY!
Artist: Mindy Pierce
Artist Notes: A birthday card filled with every kind of item you would need to have the perfect 21st birthday celebration. Bright pastels make for a cheerful feeling. İMindy Pierce
Product Id: 1596800
21 Year Old Happy Birthday, Chalkboard Look card
Customize: Inside text only
Inside Text: You are now 21-derful years old! Hope your birthday is as wonderful as you are.
Artist: Sandra Rose Designs
Artist Notes: For a twenty-first birthday is this card with a chalkboard design. Greet a 21-derful birthday to a wonderful person as they turn 21 in the coming days.
Product Id: 1122138
Birthday - 21 card
Customize: Inside text only
Inside Text: Hey, you’re legal now! Put down the cake and ice cream and go celebrate! Have a safe and happy 21st Birthday!
Artist: Teri Francis
Product Id: 87635
Happy birthday - 21 years old card
Customize: Inside text only
Inside Text: now 21 doesn’t sound so bad, does it? HAPPY BIRTHDAY!!
Artist: Corrie Kuipers
Product Id: 277491
21st Birthday Candles Add a Name card
Customize: Cover text, inside text
Inside Text: Happiness, laughter and loads of fun. Wishing you a birthday full of all good things!
Artist: Norma Cornes
Artist Notes: 21st birthday card with candles on a birthday cake. Add a name to customize this card with burning candles on a cupcake. A great birthday card, suitable for a man or a woman.
Product Id: 1174262
Butterfly Reflections Daughter 21st Birthday card
Customize: Inside text only
Inside Text: From the time you were a little girl you were special with a light and charm that shines above all others Many parents say this of their daughters but in your case, it’s true! And now a beautiful woman ready to share her light with the world you are wished every dream come true on your birthday and every day! Happy birthday dear Daughter!
Artist: Penny Cork
Artist Notes: A pretty way to share your thoughts on your daughter's birthday. Please feel free to add to, or change, the inside message to create a card that is uniquely your own.
Product Id: 425788
21st Birthday for Her Trendy Bling Turquoise Dress…
Customize: Inside text only
Inside Text: Girl ... Let your inner DIVA out!
Artist: İDoreen Erhardt
Artist Notes: The big 21st birthday and this card is perfect for the gal who is a girly kinda lady, this birthday card features a modern turquoise and white with hints of black and silver.
Product Id: 1210380
Fashionable Girl, 21st Birthday card
Customize: Inside text only
Inside Text: Wishing you loads of fun on this special day when you turn 21!
Artist: Starstock Greetings
Artist Notes: Celebrate a special young lady's 21st birthday with this lovely card, which features a pretty girl with long hair wearing a fancy dress and high heels on a blue background with subtle square pattern. At the top of the card is a bunch of colorful balloons and streamers. Graphic by DigitalVintageDreams
Product Id: 1363954
21st - Birthday - OMG - Alphabet Art card
Customize: Inside text only
Inside Text: Turning 21 is a once in a lifetime event. I hope yours is a celebration of a lifetime. Happy Birthday!
Artist: ABC by Sue
Product Id: 862277
Happy 21st Birthday. Cute Birthday Card
Customize: Inside text only
Inside Text: ... doing what you want, being who you are, living how you like. THE WORLD IS YOURS! Lucky you! Lucky world! Happy Birthday!
Artist: Mairin Studio
Original image by:
Maridav/Bigstock.com
Artist Notes: Fun Birthday Card for a young and sassy lady who is celebrating her 21st birthday.
Product Id: 1202986
You Make 21 Great Again Happy Birthday Trump Hat c…
Customize: Inside text only
Inside Text: Believe me, that is not fake news. Happy Birthday!
Artist: Sharon Dominick Photography
Artist Notes: Give the 21 year old in your life the thumbs up from Mr. Trump with his iconic ball cap that reads, "Make 21 great again." Believe me, that's not fake news!
Product Id: 1526442
Happy 21st Birthday! card
Customize: Inside text only
Inside Text: It’s sad to think that in just a few short hours you’ll be hugging one of these! HAPPY 21st BIRTHDAY!
Artist: graphicdoodles
Product Id: 146076
Birthday for 21 Year Old, The Big 21 with Polka Do…
Customize: Inside text only
Inside Text: Happy Birthday!
Artist: Teri Nelson Kuster
Artist Notes: What soon to be 21 year old wouldn't love this card for their extra special 21st Birthday? They will love the large, bold and colorful numbers 2 and 1, that pop out of the black background. The two is bright turquoise and the 1 is green with turquoise polka dots. The 1 is also a Birthday candle, with a small yellow flame at the top, which radiates out rays of yellow across the background. The words on the cover are "The big 21" and the inside wording is a simple "Happy Birthday!"
Product Id: 1172702
Happy Birthday 21 Year Old Cute Cat WIth Cake Humo…
Customize: Inside text only
Inside Text: Wishing you a PURR-fect and very happy 21st birthday!
Artist: Sharon Dominick Photography
Artist Notes: With bold letters shouting "LOOK WHO'S 21" and a vibrant purple background, this adorable white cat wearing heart shaped sunglasses is a purr-fect way to say Happy Birthday!
Product Id: 1557046
21st Birthday Religious Swirls, Red and Black card
Customize: Inside text only
Inside Text: Let them rejoice before God: yes, let them exceedingly rejoice. Psalm 68:3 What a great day to have fun ... What a great day to celebrate ... What a great day to be blessed by the wonderful gift of YOU! Happy 21st Birthday
Artist: Sandra Rose Designs
Artist Notes: 21st Birthday Religious Card is great for either a guy or girl. Black and red Christian message is very current and will be appreciated as they turn 21 years old.
Product Id: 1092428
Happy 21st Birthday Funny Dog in Party Hat Humor c…
Customize: Inside text only
Inside Text: It’s time to PAW-ty! Happy 21st Birthday!
Artist: Sharon Dominick Photography
Artist Notes: It's someone's 21st birthday! A big milestone! Tell them it's time to PAW-ty with this humorous image of a black lab in a striped party hat with little starbursts all around!
Product Id: 1565802
OMG! you’re turning 21! card
Customize: Inside text only
Inside Text: I can’t believe how time flies! Happy birthday!
Artist: Corrie Kuipers
Product Id: 202688
Happy 21st Birthday Beer Humor card
Customize: Inside text only
Inside Text: This brew is for you, finally! Happy 21st Birthday!
Artist: Sharon Dominick Photography
Artist Notes: Say Happy Birthday to someone turning 21 with this photograph of a beer bottle with wishes and the number 21 on the label.
Product Id: 1528426
21st Birthday, Balloons, carrying Present for Her …
Customize: Inside text only
Inside Text: Have a spectacular 21st Birthday!
Artist: Carol Kearns
Artist Notes: For a female celebrating her 21st birthday, this card depicts a bunch of colorful balloons carrying a present wrapped in a nice soft ribbon and bow.
Product Id: 1448066
Keep Calm You’re Only 21 Birthday card
Customize: Inside text only
Inside Text: I hope your day is amazing! Happy Birthday!
Artist: Hailey Allen
Artist Notes: If you would like this "Keep Calm You're Only 21" card in a different color, please contact me and I will be happy to recolor it for you.
Product Id: 949454
Happy Birthday Humor Cat Thinks 21 is Old card
Customize: Inside text only
Inside Text: She also thinks it’s normal to lick her own butt. Happy Birthday!
Artist: Sharon Dominick Photography
Artist Notes: Mittens the cat thinks that 21 is old! But what does she know? Say happy birthday to someone who has a great sense of humor with this sassy feline! They are sure to get a chuckle!
Product Id: 1525206
Happy 21st Birthday Yorkie in a Party Hat Humor ca…
Customize: Inside text only
Inside Text: Hope it’s a PAWS-itively awesome day! Happy 21st Birthday!
Artist: Sharon Dominick Photography
Artist Notes: This cute little Yorkie pup waving his paw on a blue background is going to make someone smile when you with them a Happy 21st Birthday!
Product Id: 1575450
Ducks Singing Happy 21st Birthday To You, Happy Bi…
Customize: Inside text only
Inside Text: I hope your 21st birthday is just ducky.
Artist: Amy Hadden
Product Id: 1096104
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