Age 18-21 Birthday Cards

Tell your son how proud you are of him on his 18th birthday with this heartfelt card, finished with holographic foil and 3D details. Envelope included. Card size: 149mm x 229mm.

Granddaughter 21 Today Lots of Happiness Birthday Opacity Card. Approx Size: 270 x 185mm.

Son 21 Today Birthday Opacity Card. Approx Size: 270 x 185mm.

21 Today Open Male Birthday Opacity Card. Approx Size: 270 x 185mm.

This fun shaker card, featuring a champagne glass filled with sequin stars, is the perfect way to celebrate their 21st birthday. Editorial inside reads: Celebrate and Enjoy. Envelope included.. Card Size: 159 x 159 mm.

Wish a special Sister a happy 21st Birthday with this contemporary card from Hallmark. Finishes: Glitter; Foil. Includes: Polka Dot Envelope. Royal Mail Postage: Standard Letter Size. Size: 237 x 165mm.

Turning 18 calls for celebrations! Send birthday wishes with this pretty card featuring pink glitter and a gold bow to really set it off! Inside Message: ...it's all about YOU! HAPPY 18th BIRTHDAY. Card Size: 186mm x 186mm.

A Big Celebration For Amazing Son 18th Birthday Card. Size: 233 x 163mm.

Celebrate your daughter's eighteenth birthday in style with this unusual, origami influenced card from Hallmark. Unique folded design. Die-cut 18. Neon cord attachment. Co-ordinating printed envelope. Message reads: front: for you, Daughter 18 A big...

Age 21st Daughter Bunting Design Birthday Card. Size: 233 x 163mm.

Size: 9 x 12 inches

There’s no better time to party than a 21st birthday – celebrate with this blush pink card, finished with copper foil stars. Editorial inside reads: Happy 21st Birthday. Envelope included.