Surprise Birthday Party Invitations 2016-07-13 | Lei Pick out the best surprise birthday party invitations from our wide variety of printable templates you can freely customize to match any party theme. Also read: Humorous Retirement Party Invitation Wording Related posts:Safety Lunch Invite Templates In PartyDecorative Chalk BoardsChristmas Templates To Print Out40th Birthday Invitations Free PrintableHello Kitty Water Bottle LabelsCharity Event Invitation Examples