Donut Time Party Invitations. 8 postcard style invitations per package, each measuring 4in x 5in. Front cover reads: You're Invited! Back: Spaces for the guest of honor, date, place, time and to RSVP. Approximately 4in x 5in. Did you say DONUTS? We've got you covered, this sweet and sprinkly Donut theme is all the rave!