Packaging apparatus for deposition masks

A packaging apparatus for packaging one or more deposition masks having slits through which a deposition material passes, the apparatus comprising:

• a base comprising a first surface and a first recess recessed from the first surface;
• a cover disposed over the base and comprising a second surface facing the first surface and a second recess recessed from the second surface;
• a first film placed over the first surface to cover the first recess;
• a second film placed over the second surface to cover the second recess;
• and
• a plurality of insertion sheets interposed between the first film and the second film,
• wherein the one or more deposition masks comprises a first mask interposed between a first one and a second one of the plurality of insertion sheets, the first mask having a width defining a width direction,
• wherein each of the first and second insertion sheets comprising a plurality of openings, each extending along the width direction when viewed in a viewing direction perpendicular to the first surface.