Set your cookie preferences

We use cookies, please see our Cookie Notice for more information. By clicking "Accept Cookies" you consent to our use of cookies.

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

Love It or We'll Take Back! 30-Day Returns Guaranteed *

Search for products or designs

Sell on Zazzle쑢Shopping Basket

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.

Twenty first birthday

Popular Happy 21st Birthday Invitations

173 results

Invitations & Stationery

쎃

Invitations & Announcements

쎃

Birthday Invitations

쎃

21st Birthday Invitations

All Products

< Invitations & Stationery

< Invitations & Announcements

< Birthday Invitations

Flat...

Tri-Fold...

All-in-One...

Vertical...

Horizontal...

Rectangle...

Square...

Rounded...

Ticket...

Arched...

12.7 x 17.8 cm...

13.3 x 13.3 cm...

10.8 x 14.2 cm...

14.2cm x 11.4cm folded...

8.9 x 12.7 cm...

11.4 x 15.9 cm...

10.8 x 14 cm...

10.1 x 14.2 cm...

10.2 x 23.5 cm...

Under £5

£5 to £15

Design Colour

Number of Photos

Letterpress

Foil

Type

Format

Orientation

Shape

Size

Price

Design Style

Special Picks

Events & Occasions

Recipients

Brand

Creator Store

Makers

Design Options

Colour

Sort by:

Save 25%

21st Birthday Bash Party Invitation

Sale Price £1.96.£1.96 Original Price £2.61.£2.61

Customisable Happy Birthday to You & The Lord...

Price£3.16

Save 25%

FUN 21st BIRTHDAY CAKE, CELEBRATION Invitation

Sale Price £2.00.£2.00 Original Price £2.66.£2.66

Save 25%

Elegant Navy Blue Gold Agate 21st Birthday Party Invitation

Sale Price £2.00.£2.00 Original Price £2.66.£2.66

Save 25%

Elegant 21st birthday invitation with flowers

Sale Price £1.96.£1.96 Original Price £2.61.£2.61

Save 25%

Pink Black Chic Modern Twenty One 21st Birthday Invitation

Sale Price £2.00.£2.00 Original Price £2.66.£2.66

Save 25%

Blue 21st Birthday Gold Script 21 Birthday Invitation

Sale Price £2.24.£2.24 Original Price £2.98.£2.98

Save 25%

21 Birthday Modern Bold Pink Motif Invitation

Sale Price £2.12.£2.12 Original Price £2.82.£2.82

Save 25%

Twenty one Rose Gold Pink 21st Birthday Party Invitation

Sale Price £2.00.£2.00 Original Price £2.66.£2.66

Save 25%

Girl Birthday Party Invitation

Sale Price £2.18.£2.18 Original Price £2.90.£2.90

21st Birth Day

Price£3.16

Save 25%

BIRTHDAY CAKE, 21st CELEBRATION Invitation

Sale Price £2.00.£2.00 Original Price £2.66.£2.66

Happy 21st

Price£3.26

Happy Birthday to You & The Lord is my Shepherd

Price£3.16

Save 25%

Floral Red Cherry Blossom Sakura 21st Birthday Invitation

Sale Price £2.00.£2.00 Original Price £2.66.£2.66

Twenty One Pink Gold 21st Birthday Party Gold

Price£3.45

Save 25%

21st Birthday Bash Party Invitation

Sale Price £2.04.£2.04 Original Price £2.71.£2.71

Save 25%

21st Birthday Bash Party Invitation

Sale Price £1.96.£1.96 Original Price £2.61.£2.61

Save 25%

Elegant, Whimsical Flowers, Dark Blue, Gold Accent Invitation

Sale Price £2.12.£2.12 Original Price £2.82.£2.82

Happy Birthday Card

Price£3.16

Save 25%

black card photo cute happy birthday

Sale Price £2.00.£2.00 Original Price £2.66.£2.66

Save 25%

Beautiful Pink and Blue Aloha Birthday Party Invitation

Sale Price £2.15.£2.15 Original Price £2.86.£2.86

Happy Birthday Greating Card

Price£2.45

Save 25%

Happy Birthday Card by StudsGlaze

Sale Price £2.18.£2.18 Original Price £2.90.£2.90

Save 25%

21st birthday black gold handwriting party invitation

Sale Price £1.54.£1.54 Original Price £2.05.£2.05

Save 25%

21st Birthday Born 2000 Black Gold Retro Vintage Invitation

Sale Price £2.24.£2.24 Original Price £2.98.£2.98

Save 25%

Hot Pink White Zebra Leopard 21st Birthday Party Invitation

Sale Price £2.12.£2.12 Original Price £2.82.£2.82

Save 25%

Happy Easter Invitation

Sale Price £2.07.£2.07 Original Price £2.76.£2.76

Save 25%

Cheers and Beers Invitation

Sale Price £2.12.£2.12 Original Price £2.82.£2.82

Save 25%

Twenty-first Blush Pink 21st Birthday Party Photo Invitation

Sale Price £2.24.£2.24 Original Price £2.98.£2.98

GRANDDAUGHTER **HAPPY 21st BIRTHDAY** CARD

Price£4.65

NIECE **HAPPY 21st BIRTHDAY** CARD

Price£4.65

Save 25%

Look Who's 21 21st Birthday Invitation

Sale Price £2.00.£2.00 Original Price £2.66.£2.66

Save 25%

Modern Purple Watercolor Floral 21st Birthday Invitation

Sale Price £2.07.£2.07 Original Price £2.76.£2.76

Save 25%

Cheers to 21st Birthday Photo Invitation

Sale Price £2.28.£2.28 Original Price £3.03.£3.03

Save 25%

Funny holy guacamole pun 21st birthday party invitation

Sale Price £2.00.£2.00 Original Price £2.66.£2.66

Save 25%

21st Adult Birthday Bash - DIY Background Colour Invitation

Sale Price £2.00.£2.00 Original Price £2.66.£2.66

Save 25%

Funny cat pun 21st birthday party invitation

Sale Price £2.00.£2.00 Original Price £2.66.£2.66

Save 25%

Look Who's 21 21st Birthday Invitation

Sale Price £2.00.£2.00 Original Price £2.66.£2.66

Save 25%

modern happy birthday photograph elegant invitation

Sale Price £2.04.£2.04 Original Price £2.71.£2.71

Save 25%

21st Birthday Invitation

Sale Price £2.07.£2.07 Original Price £2.76.£2.76

Save 25%

Tropical Flower & Flamingo Custom Celebration Invitation

Sale Price £2.04.£2.04 Original Price £2.71.£2.71

Gold Script 21st Birthday Party

Price£3.45

Save 25%

Purple and Yellow Happy Birthday card

Sale Price £2.00.£2.00 Original Price £2.66.£2.66

Save 25%

Tropical Flower & Flamingo Custom Celebration Invitation

Sale Price £2.19.£2.19 Original Price £2.91.£2.91

Save 25%

Aged to Perfection at 21 Invitation

Sale Price £2.00.£2.00 Original Price £2.66.£2.66

Happy Birthday Card

Price£3.28

Save 25%

Adult 21st Birthday Blue Silver Invitation

Sale Price £2.28.£2.28 Original Price £3.03.£3.03

Happy 21st Birthday Liquor Cake

Price£3.69

Save 25%

21st Birthday Girl Bash Party - Purple Invitation

Sale Price £2.04.£2.04 Original Price £2.71.£2.71

Save 25%

Get Boy Tree Fun Cliff Rock Climbing 21st Birthday Invitation

Sale Price £2.12.£2.12 Original Price £2.82.£2.82

Save 25%

New Boy Tree Fun Cliff Rock Climbing 21st Birthday Invitation

Sale Price £2.12.£2.12 Original Price £2.82.£2.82

Save 25%

Now Boy Tree Fun Cliff Rock Climbing 21st Birthday Invitation

Sale Price £2.12.£2.12 Original Price £2.82.£2.82

Save 25%

Day Boy Tree Fun Cliff Rock Climbing 21st Birthday Invitation

Sale Price £2.12.£2.12 Original Price £2.82.£2.82

Save 25%

Boy Tree Fun Cliff Rock Climbing 21st Birthday Invitation

Sale Price £2.12.£2.12 Original Price £2.82.£2.82

Save 25%

Let Boy Tree Fun Cliff Rock Climbing 21st Birthday Invitation

Sale Price £2.12.£2.12 Original Price £2.82.£2.82

carte invitation

Price£1.51

Save 25%

21and Smokin Hot Birthday Invitation

Sale Price £2.00.£2.00 Original Price £2.66.£2.66

Save 25%

21st Adult Birthday Girl - Blue Invitation

Sale Price £2.00.£2.00 Original Price £2.66.£2.66

Save 25%

21st Birthday Girl Party Bash - Green Invitation

Sale Price £2.04.£2.04 Original Price £2.71.£2.71

쎂Previous 1 2 3 Next쎃

Twenty first birthday

A banner for "Zazzle Plus" featuring a smiling woman opening a Zazzle box.

﻿
﻿
Unlimited* Free Shipping and Exclusive Offers
﻿START YOUR FREE 30-DAY TRIAL﻿

The Zazzle Promise

Love It Guarantee
Don't love it? We'll take it back! 30-day returns “100% Love It Guarantee.”
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