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Invitations > Birthday Party Invitations > Age Specific > 21st Birthday Invitations

21st Birthday Invitations

Turning 21 is a milestone and time to party like a grown up! Choose your theme, break out the sparkle, and invite your guests with one of our 180+ customizable designs for 21st Birthday Party Invitations. We'll mail it next business day so you can let the good times roll!

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Shopper Testimonials
“I and others in my family have ordered from Greeting Card Universe for several years now and we have loved them all! It's especially nice to be able to add our own messages to the cards as we prefer most times. The delivery and quality of the products are all of the highest standards. We are always happy with the cards we give and the joy they evoke in those who receive them.”
Diane - Jun 30th, 2025
“I have been sending this style customized sympathy card for a few years. The comments and appreciation express by the family has been overwhelming. Sometimes we forget how much the written word can help others through a difficult time. The quality of the card has been excellent.”
Joyce - Jul 1st, 2025
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