Invite friends and family to your party or birthday party with a Shark Zone Invitations. These fun party invites are printed on sturdy card stock paper and have plenty of space to add the party details. Plus their unique shape will be adored by all your guests. Each set of 12 shaped fill-in invitations also includes 12 white envelopes making it easy to get your party invitations into the mail. Begin planning the perfect party with these party invites!