2up Jumbo Postcards, 10.5 Mil Inkjet Gloss - 100 Sheets / 200 Postcards 2up Jumbo Postcards, 10.5 Mil Inkjet Gloss - 100 Sheets / 200 Postcards Made From 10.5 Mil Inkjet Gloss (230 gsm) 2 Postcards per Sheet - 5 1/2" x 8 1/2" each 8 1/2" x 11" Micrperforated