By remaining on the Site or clicking “OK,” you consent to Zazzle’s Terms of Use and Privacy Notice, and to Zazzle’s use of cookies and similar technologies (including those provided by third parties), which retain information to enable the Zazzle experience, track interactions, advertise, and for other related purposes. You may opt-out of this tracking by updating your cookies preferences.

Save up to 25% on Select Cards & Invitations* Shop Now ➞

Save up to 15% on Select T-Shirts* Shop Now ➞

Search for products or designs

WeddingsOpens a menu with links to top wedding-related pages.

Wedding Invitations ➞
Wedding Stationery ➞
Be My Bridesmaid Cards
Bridal Shower Invites
Enclosure Cards
Engagement Party Invites
Hen Party Invitations
Reception Invites
RSVP Cards
Save the Dates
Thank You Cards
Wedding Décor ➞
Guest Books
Menus
Napkins
Place Cards
Plates
Programs
Seating Charts
Wedding Signs
Table Numbers
Favour Packaging ➞
Beer Labels
Can Coolers
Favour Bags
Favour Tags
Magnets
Stickers & Labels
Water Labels
Wine Bottle Labels
Showers & Parties ➞
Bridal Shower Supplies
Hen Party Supplies
Wedding Gifts ➞
Bridesmaid Gifts
Groomsmen Gifts

All Weddings ➞

Wedding Stationery & Décor
From save the dates to signage, design every detail of your day.

Invitations & StationeryOpens a menu with links to top invitations & stationery-related pages.

Birthday Invitations ➞
Kids' Birthday Invitations
Adult Birthday Invitations
Joint Birthday Invitations
1st Birthday Invitations

Baby Invitations ➞
Baby Shower Invitations
Birth Announcements
More Invitations ➞
Christening Invitations
Christmas Invitations
Communion Invitations
Graduation Invitations
Halloween Invitations
Moving Announcements
Party Invitations
Greeting Cards ➞
Anniversary Cards
Birthday Cards
Christmas Cards
Father's Day Cards
Graduation Cards
Mother's Day Cards
New Baby Cards
Thank You Cards
Valentine's Cards
Personal Stationery ➞
Note Cards
Postcards
Post-it® Notes

Mailing Accessories ➞
Envelopes
Envelope Seals
Return Address Labels
Rubber Stamps & Ink

All Invitations & Stationery ➞

Cards & Invitations 
Personalise premium stationery for any event or milestone.

Gift Wrap & Party SuppliesOpens a menu with links to top crafts & party supplies-related pages.

Gift Wrapping ➞
Gift Bags
Gift Tags
Ribbon
Stickers & Labels
Tissue Paper
Wrapping Paper
Party Signs ➞
Backdrops
Banners
Posters & Prints
Party Stationery ➞
Guest Books
Menus
Place Cards
Programs
Table Numbers
Party Tableware ➞
Paper Cups
Paper Bowls
Paper Napkins
Paper Plates
Favours & Packaging ➞
Can Coolers
Favour Bags
Favour Boxes
Favour Tags
Food & Drink Labels

All Gift Wrap & Party ➞

Gift Wrap & Party Supplies
Make their day with personalised wrapping & party decorations.

Business EssentialsOpens a menu with links to top office & school-related pages.

Business Cards ➞
Bakery Business Cards
Beauty Business Cards
Construction Business Cards
DJ Business Cards
Hair Stylist Business Cards
QR Code Business Cards
Name Tags & Badges ➞
Marketing Materials ➞
Appointment Cards
Brochures
Flyers
Gift Certificates
Loyalty Cards
Menus & Price Lists
Referral Cards
Displays & Packaging ➞
Display Cards
Hang Tags & Inserts
Product Labels

Business Stationery ➞
Notebooks
Post-it® Notes
Rubber Stamps & Ink
Business Signs ➞
Banners
Posters & Prints
Window Decals

Calendars ➞

All Business ➞

Business Essentials
Boost your brand with quality business cards & marketing materials.

Art & HomeOpens a menu with links to more categories of top pages.

Mugs ➞
Funny Mugs
Photo Mugs

Barware ➞
Beer Glasses
Can Coolers
Shot Glasses
Whiskey Glasses
Wine Glasses
More Homeware ➞
Aprons
Blankets
Christmas Tree Decorations
Cushions
Posters & Prints ➞
Abstract Posters
Botanical Posters
Fine Art Posters
Nursery Posters
Travel Posters
Vintage Posters

Art & Home 
Style your space with personalised posters, cushions, mugs & more.

T-Shirts & Accessories

T-Shirts ➞
Men's T-Shirts
Women's T-Shirts

Birthday T-Shirts
Funny T-Shirts
Photo T-Shirts
Vintage T-Shirts
Wedding T-Shirts
Accessories ➞
Badges
Beach Towels
Hats
Luggage Tags
Socks
Ties
Tote Bags
Sports & Games ➞
Golf Balls
Playing Cards
Puzzles

T-Shirts, Tote Bags & More
From business to birthdays to bridal showers, customise items for any occasion.

Create Your OwnOpens a menu with links to top Create-Your-Own products.

T-Shirts & Accessories
Badges
Hats
Socks
Ties
Tote Bags
T-Shirts

Sports & Games
Golf Balls
Playing Cards
Puzzles
Art & Home
Aprons
Blankets
Christmas Tree Decorations
Cushions
Mugs
Posters
Gift Wrap & Party
Paper Napkins
Party Signs
Stickers
Wrapping Paper
Business
Business Cards
Flyers
ID Badges
Post-it® Notes
Invitations & Stationery
Greeting Cards
Guest Books
Invitations
Menus
Programs
Return Address Labels
Rubber Stamps
Save the Dates

All Create Your Own ➞

Create Your Own
Make your own mugs, t-shirts & more with our easy design tool.

Popular 21st Birthday Cards

2,620 results

Invitations & Stationery

쎃

Greeting Cards

쎃

Birthday Cards

All Products

< Invitations & Stationery

< Greeting Cards

Folded...

Flat...

Vertical...

Horizontal...

Rectangle...

Square...

Rounded...

12.7 x 17.8 cm...

10.8 x 14.2 cm...

10.1 x 14.2 cm...

13.3 x 13.3 cm...

8.9 x 12.7 cm...

10.8 x 14 cm...

14 x 19.1 cm...

8.9 x 5.1 cm...

Under $5

$5 to $15

$15 to $25

$25 to $50

Design Colour

Number of Photos

Letterpress

Foil

Type

Format

Orientation

Shape

Size

Price

Design Style

Special Picks

Events & Occasions

Recipients

Creator Store

Makers

Design Options

Colour

Sort by:

Happy 21st Birthday Card

Price$4.64

June 21st Birthday, Cartoon Cats. Card

Price$5.59

February 21st Birthday Cartoon Cats Card

Price$5.59

Happy 21st Birthday Celebrate Funny Cat Card

Price$5.94

21st birthday card with a motor bike

Price$5.94

March 21st Birthday Cartoon Cats Card

Price$4.64

Golden Garden 21st Photo Birthday Card

Price$5.59

21st birthday with disco ball and rainbow of stars card

Price$5.59

Bokeh Pink and Blue 21st Birthday Card

Price$7.14

21st Happy Birthday Bright Typography Balloons Card

Price$5.59

21st Birthday Scattered Leaves Card

Price$5.59

Pretty 21st Birthday Sister Card

Price$5.94

21st Birthday Psychedelic 3D Abstract Card

Price$5.59

21st Birthday Tabby Cat on Chair Card

Price$5.59

"Happy 21st Birthday!" Card

Price$5.33

TIME TO CELEBRATE **21st** BIRTHDAY QUEEN Card

Price$6.29

Gold and Blue Stripes and Balloons 21st Birthday Card

Price$5.94

Collection

Pink Stripes and Flowers Happy 21st Birthday Card

Price$5.89

21st Birthday Fireworks Card

Price$5.59

Happy 21st Birthday Cartoon Lady on a Cake Card

Price$5.59

21st Birthday Movie Party Card

Price$5.59

Pink Floral Cheers to 21 Happy 21st Birthday Card

Price$4.94

Collection

Birthday Celebration Any Year Modern Photo Collage Postcard

Price$2.83

21st Birthday card with a motorbike

Price$5.94

'STRANDED' 21st BIRTHDAY Card

Price$5.79

21st Birthday Card with Colourful Chicken

Price$5.59

Happy 21st Birthday Card

Price$5.59

CHEERS TO YOUR 21st BIRTHDAY Card

Price$6.29

MHN modern personalized 21st birthday card

Price$5.59

For men add photos burgundy orange 21st Birthday Card

Price$6.54

21st birthday, really bad football jokes card

Price$5.59

21st Birthday with a scrapbook effect Card

Price$5.59

Ragdoll Cat With 21st Birthday Balloon Card

Price$5.59

21st Birthday: Red Digital Clock Style "21" + Name Card

Price$5.33

Collection

Black & Yellow Striped "21"; 21st Birthday + Name Card

Price$5.33

Collection

Stylish 21st Birthday Card - Modern Female In Blac

Price$5.44

birthday cake with candles - happy 21st birthday card

Price$5.44

Happy Birthday 21st Photo Love Elegant Blush Pink Card

Price$5.34

21st Birthday Cat With Heart Balloon Card

Price$5.59

21st Birthday Duck with a Beer Card

Price$5.34

Mojito Cocktail 21st Happy Birthday Card

Price$5.94

French 75 Cocktail 21st Happy Birthday Card

Price$5.94

Cosmopolitan Cocktail 21st Happy Birthday Card

Price$5.94

21st Birthday Sparklers With Beer Mug Card

Price$5.59

21st birthday golf ball in grass card

Price$5.59

Pina Colada Cocktail 21st Happy Birthday Card

Price$5.94

Mai Tai Cocktail 21st Happy Birthday Card

Price$5.94

21st Birthday ~ Elegant Luxurious Faux Gold Look # Card

Price$5.33

Collection

21st Birthday Customisable Card

Price$5.59

21st birthday card, beer card

Price$6.59

21st Birthday Colorful Rainbow Fireworks Card

Price$5.33

Custom Front 21st Birthday, Coral, Mint Chevrons Card

Price$6.29

Birthday rose gold glitter drip Thank You Postcard

Price$2.75

21st birthday baseball jokes card

Price$5.59

Funny goat 21st birthday card

Price$5.59

Flowers for 21st Birthday, Teddy Bear Card

Price$5.94

Happy 21st Birthday Cartoon Cats. Card

Price$5.59

Happy 21st Birthday twentyfirst twentyone 21 21st Card

Price$6.29

Tini Bit Older Martini Happy Birthday Card

Price$6.18

Collection

Ace & Queen of Diamonds 21st Birthday Born In 2002 Card

Price$5.59

쎂Previous 8 9 10 11 12 Next쎃

The Zazzle Promise

Order with Confidence
If something goes wrong on our end, we'll make it right, on every order. Learn more!
Easy International Delivery
Hassle-free shipping with no surprise fees. We cover any customs & duties.
Secure Shopping Guaranteed
100% Secure payment with SSL Encryption.

Search Feedback

Did you find what you were looking for?

YesNo

If you need help or have a question for Customer Service, please visit our Help Centre

Get Exclusive Offers

About
Press
Careers

My Account
Track my order
Return Policy
Help

Sell on Zazzle
Ambassador Program

Sitemap
Blog
Content Filter:

Choose a region and language

User Agreement | Privacy Notice