Ménage à trois, anyone? I mean, Merry Christmas, everyone! The occasional Freudian slip never hurt anyone (too badly). Comes with USPS forever stamp; just fill it out and place it in the mail. Blank Inside Size: A2 (4.25" x 5.5") Paper: Crane 100% Cotton Fluorescent White Envelope: French Paper Kraft Speckletone with red foil liner Ink: Digital