Drink ... drank ... drunk? Not too much, we hope. Send a 21st Birthday Card to someone who has hit that milestone like a boss and is ready to celebrate. Choose from 790+ exceptional designs, add your personal message, and we'll mail it next business day. Throwing a party? No worries. We have 21st Birthday Party Invitations, too. Yeah, 'cause we're cool like that.
“All of my cards that I get through Greeting Card Universe are absolutely excellent!! They come fast and are delivered in perfect condition. Everyone who gets a card from me absolutely loves it.Thank you for being such s great company.”
Carleen - Jul 24th, 2025
“Your cards are wonderful. Sometimes I tweak them to make them more personal to who I’m sending them to. Always get positive feedback. Thank you”