DC Super Hero Girls Party Invitations. Batgirl, Wonder Woman, Harley Quinn, Poison Ivy and Bumble Bee are ready to show you how to party like a Super Hero! 8 Invitations/8 envelopes, 8 envelope seals and 8 save the date stickers. Front: Your Invited! Inside has spaces for the guest of honor, date, place, time and to RSVP. Approximately 4.5in x 6in.