Invite all of the crime fighters to celebrate a birthday with Lego Batman invitations. These colorful invitations feature Batman, Robin, and Batgirl, in action, with the words "You're Invited to a Party" in lego detail on the cover. Each pack comes with eight invitations, eight gray envelopes, eight seals and 8 save the date stickers. These are ideal party supplies to use for a kid's birthday celebration or for any party with Lego Batman as its theme.