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 Select 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.

Popular Modern 21st Birthday Invitations

3,422 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...

Arched...

Scalloped...

Bracket...

Ticket...

Circle...

12.7 x 17.8 cm...

13.3 x 13.3 cm...

10.8 x 14.2 cm...

8.9 x 12.7 cm...

10.8 x 14 cm...

5.4 x 8.5 cm...

11.4 x 15.9 cm...

14.2cm x 11.4cm folded...

10.2 x 22.9 cm...

16.5 x 22.2 cm...

10.2 x 23.5 cm...

20.3 x 10.2 cm...

14 x 19.1 cm...

10.1 x 14.2 cm...

Under £5

£5 to £15

£50 to £75

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:

쒐

Create your own product

Save 25%

Modern Minimalist Pink Red 21st Birthday Invitation

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

Collection

Save 25%

Modern Elegant Pink Bold 21st Birthday Invitation

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

Save 25%

Modern Pink Cocktail 21st Birthday Invitation

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

Collection

Save 25%

Bold Typography Pink Red Modern 21st Birthday Invitation

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

Collection

Save 25%

Bold Bright Modern Retro Pink Green 21st Birthday Invitation

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

Collection

Save 25%

Modern Black and White Elegant Photo 21st Birthday Invitation

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

Save 25%

Pink and Red Modern 21st Scalloped Birthday Party Invitation

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

Save 25%

Minimalist Modern Hot Pink 21st Birthday Party Invitation

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

Save 25%

Modern Elegant Script Pink Orange 21st Birthday Invitation

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

Save 25%

Emerald Green Modern Simple 21st Birthday Party Invitation

Sale Price £2.08.£2.08 Original Price £2.77.£2.77

Save 25%

Minimalist Modern sage 21st Birthday Party Invitation

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

Save 25%

Modern Elegant Script Black 21st Birthday Party Invitation

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

Save 25%

Modern Pink Red 21st Birthday Invitation

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

Save 25%

Silver Disco Ball Twenty One 21st Birthday Party Invitation

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

Save 25%

21st Birthday Invitation Black and Silver Glitter

Sale Price £1.88.£1.88 Original Price £2.50.£2.50

Modern Pink Cocktail 21st Birthday Acrylic Invitations

Price£3.05

Save 25%

Modern Black and Gold Elegant 21st Birthday Invitation

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

Save 25%

Navy Blue Gold Agate Marble 21st Birthday Invitation

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

Save 25%

Twenty one Silver & Navy 21st Birthday Party Invitation

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

Collection

Save 25%

Modern minimalist navy gold glitter 21st birthday invitation

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

Save 25%

Black and Gold 21st Birthday Diamond Invitation

Sale Price £1.88.£1.88 Original Price £2.50.£2.50

Save 25%

Fun Modern Pink Orange Balloons 21st Birthday Invitation

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

Save 25%

Pink Disco Ball Twenty One 21st Birthday Party Invitation

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

Modern Minimalist 21st Birthday Acrylic Invitations

Price£3.05

Save 25%

21st Birthday Number 21 Custom Photo Collage Invitation

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

Save 25%

Modern Bright Pink Cocktail 21st Birthday Invitation

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

Save 25%

Minimalist Modern 21st Birthday Party Invitation

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

Save 25%

SURPRISE PARTY 21st Birthday August Birth Flower Invitation

Sale Price £2.40.£2.40 Original Price £3.19.£3.19

Collection

Save 25%

21st Birthday Party - Chalkboard Gold Invitation

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

Save 25%

Minimalist Sage Twenty One 21st Birthday Party Invitation

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

Save 25%

Black White Modern 21st Birthday Invitation

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

Save 25%

Burgundy & Gold 21st Birthday Party Invitation

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

Collection

Elegant Gold Balloons on Black 21st Birthday Party Invitation



Save 25%

Elegant Gold Balloons on Black 21st Birthday Party Invitation

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

Collection

Save 25%

21st Black Gold Glitter Any Age Birthday Invitation

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

Save 25%

Modern Elegant Pink 21st Birthday Invitation

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

Save 25%

Modern Minimalist Blue Yellow 21st Birthday Invitation

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

Save 25%

Modern Elegant Pink 21st Birthday Invitation

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

Save 25%

Modern Minimalist Black and White 21st Birthday Invitation

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

Save 25%

Modern Minimalist Pink Red 21st Birthday Invitation

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

Save 25%

Hello Twenty one Modern Black 21st Birthday Party Invitation

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

Collection

Save 25%

Modern Elegant 21st Birthday Invitation

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

Save 25%

Elegant Modern Photo 21st Birthday White Black Invitation

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

Save 25%

Elegant Rose Gold Glitter modern 21st Birthday In Invitation

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

Save 25%

Gold Disco Ball Twenty One 21st Birthday Party Invitation

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

Save 25%

Navy Blue Gold Agate 21st Birthday Invitation

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

Save 25%

Minimalist White Modern Chic 21st Birthday Invitation

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

Save 25%

Modern Minimalist Pink Red 21st Birthday Invitation

Sale Price £1.92.£1.92 Original Price £2.56.£2.56

Save 25%

Modern Minimalist Pink 21st Birthday Invitation

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

Save 25%

Modern Pinky Coctails Blush Hello 21 21St Birthday Invitation

Sale Price £2.25.£2.25 Original Price £3.00.£3.00

Save 25%

Modern Pink Cocktail 21st Birthday Invitation

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

Collection

Save 25%

21st birthday navy blue silver glitter glamourous invitation

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

Save 25%

21st Birthday Modern Black Gold Confetti Script Invitation

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

Save 25%

Bold Typography Pink Orange Modern 21st Birthday Invitation

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

Save 25%

Modern minimalist black and white 18th birthday invitation

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

Save 25%

Modern Minimalist Bold Typography Pink Orange Invitation

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

Save 25%

Modern Galaxy Photo Black Gold 21st Birthday Party Invitation

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

Save 25%

Modern Black Gold Twenty One 21st Birthday Party Invitation

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

Save 25%

Modern minimalist navy gold glitter 18th birthday invitation

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

Save 25%

Modern Winter Red Berry 21st Birthday Party Invitation

Sale Price £2.28.£2.28 Original Price £3.04.£3.04

Save 25%

Colourful Dainty Wild Flowers 21st Birthday Party Invitation

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

Collection

1 2 3 4 5 Next쎃

﻿
﻿
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