Age 18-21 Birthday Cards

Nothing says ‘21st birthday’ quite like shots – celebrate theirs with this card, finished with metallic foil and glitter. Editorial inside reads: Happy Birthday Envelope included.

Raise a glass on their 18th birthday with this fun beer and burgers themed card, finished with gold foil and sparkling glitter. Editorial inside reads: Happy Birthday. Envelope included.

This classic card, with its gold foil number and on trend pink background, is a stylish way to send your 21st birthday wishes. Editorial inside reads: Enjoy Your Day. Envelope included.

This card comes to say that you're such an extra-special girl and you're wished a birthday that's as amazing and lovely as you are! Happy 2nd Birthday! With lots and lots of love and hugs. Size: 184 x 159 mm.

It wouldn’t be a celebration without some bad life choices – get the party started with this photographic 21st birthday card. Editorial inside reads: Happy Birthday. Envelope included. Size: 178 x 127mm.

The fun really starts at 18 – send wishes for their special day with this classic black and gold 18th birthday card, finished with metallic foil stars Editorial inside reads: Happy 18th Birthday. Envelope included. Card Size: 159mm x 184mm.

Turning 18 bring some important decisions – help them choose their poison with this funny birthday card. Editorial inside reads: bottles or cans? Shaken or stirred? White or red? Envelope included. Card Size: 184 x 121mm.

Let them know all the freedoms they can enjoy now they’re 21 with this funny birthday card – it’s up to them what they do with the information. Editorial inside reads: Happy Birthday. Envelope included. Size: 184 x 121mm.

Celebrate your grandson's 21st birthday in style with this contemporary foil finished greeting card by Balloon Boutique. The card features a sleek design and is adorned with vibrant colours to mark this special milestone in your grandson's life. Two foil...

The "To a Special Son You're 21 Balloon Boutique Greeting Card" is a delightful and contemporary card designed by Balloon Boutique, perfect for celebrating a son's 21st birthday. This unique greeting card features two eye-catching foil balloons shaped in...

The "To a Special Granddaughter You're 21 Balloon Boutique Greeting Card" is a delightful and contemporary card designed by Balloon Boutique, perfect for celebrating a granddaughter's 21st birthday. This unique greeting card features two eye-catching...

Celebrate the remarkable milestone of your daughter turning 21 in style with our exquisite Balloon Boutique Greeting Card. Crafted with meticulous attention to detail, this card exudes elegance and charm, making it the perfect accompaniment to her...