One package of Smurfs Invitations and Thank You Postcards. Invite your friends for a terrific Smurfday Party! You will receive eight 4 x 5 inch notecard-style Smurfs Invitations with envelopes, and eight 4 x 5 inch postcard-style Smurfs Thank You Notes. There is plenty of room to write out all of your party information in the invitations, as well as a place to jot a quick note. The thank you notes have a cute spot in the clouds to write "Thank You".