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.
“Love all the cards. I don't have to drive and pour through racks of cards for something specific.”
Donna - Jul 21st, 2025
“This in loving Memory card was well received by the recipient. The words were perfect and well put together for the occasion.Thank you Greetings Card Universe. This is a 5 star review.”