Invitation Card Envelope Sizes 2016-08-18 | Lion Pick out the best invitation card envelope sizes from our wide variety of printable templates you can freely customize to match any party theme. Also read: Girls Night Out Invitation Wording Related posts:Corporate Meeting InvitationOscar Party Invitations Templates SampleSuperman Personalized InvitationsCompany Picnic InvitationsCute Bridal Shower Invitation WordingThanksgiving Dinner Party Invitation Wording