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21st Birthday Cards

Make twenty-one feel like the landmark birthday it is. Explore 21st cards with confident, celebratory designs, humour and personalised touches for a keepsake-worthy message.

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About 21st Birthday Cards

A 21st birthday still carries milestone status even when adulthood has already begun. This collection centres the number and the celebration, giving you designs that feel more special than everyday birthday cards. Choose a card that fits the recipient's personality, from relaxed and funny to stylish, sentimental or personalised.

Twenty-one is a birthday people tend to remember, so an age-specific design can give the card a sense of occasion even before the inside message is written.

The collection includes cards for daughters, sons, nieces and other recipients as well as general 21st designs, allowing the age and relationship to work together.

Inside, you can combine congratulations on the milestone with a line about what you admire about them now they are stepping further into adult life.

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