Let guests know it’s going to be a Marvel-ous party when you send Marvel Powers Unite Invitations! These postcard-style paper invitations feature Captain Marvel Iron Man Hulk Captain America and Black Panther with an Assemble and Celebrate! headline. The invitations include matching envelopes save-the-date stickers and envelope sticker seals. Send out these invitations to all the little Avengers fans! Marvel Powers Unite Invitations include: 8 postcard invitations 6 1-4in wide x 4 1-4in tall 8 envelopes 8 sticker seals 1 1-2in diameter 8 save-the-date stickers 1 1-2in x 1 1-2in.