Tell your friends to "armor up" and get set to party! Have your friends assemble, then thank them for "making your party invincible!". With these Iron Man 3™ Invitations And Thank You Cards you can give your little superhero a special birthday party with an Iron Man 3™ theme. These 8 paper invitations, 8 thank you cards and 16 envelopes will be a hit with his friends, too. (32 pcs. per set) 5 1/2" x 4" ™/MC & © Marvel & Subs.