Make sure everyone you know is invited to the biggest event of the year with 21st birthday invitations. Personalise your invites with your images, text and photos to match your event or even theme. Then pick your shape and paper type, from linen to felt to extra-thick. Most of Zazzle's invitations are made within 24 hours of being ordered, so you can send them out as soon as possible. While you're here, why not check out some of the other invitation designs on Zazzle on the main invitations page.