HP Creative Expressions Paper Original HP supplies. The science behind brilliant print. HP papers are matched with HP printers and print cartridges to bring exceptional quality to all your printing creations; photos, brochures, flyers, presentations, reports and more. Matte Greeting Cards/White Quarter-fold. Includes both sheets and envelopes. 8-1/2 x 11 20 Sheets per Pack 1 4 Fold Greeting Card Paper