2up Jumbo Postcards, 8 Mil Inkjet Gloss - 250 Sheets / 500 Postcards 2up Jumbo Postcards, 8 Mil Inkjet Gloss - 250 Sheets / 500 Postcards Made From 8 Mil Inkjet Gloss (195 gsm) 2 Postcards per Sheet - 5 1/2" x 8 1/2" each 8 1/2" x 11" Micrperforated