One 8 count package of 5 x 4 inch Cars 1st Birthday Invitations with envelopes. Kids get excited when they have mail in the family box. Just think of how thrilled they will be to find a Cars 1st Birthday Invitation addressed to them! The inside of each card includes an invitation message, blank lines for your party information, and room to write a personal note. Be sure to save a Cars 1st Birthday Invitation for your baby's scrapbook.