25 Old Age Parchment 65lb Cover Paper Sheets 12 X 18 Inches Cardstock Weight Colored Sheets (12X18 Inches) Large|Poster Size - Printable Old Parchment Semblance Through the Processing of the Pulp Cover weight 65#. GSM weight 176. Caliper thickness .010". Metric .254mm Aged color with darker and lighter tones throughout Finish that is laser and ink jet printable Acid-free and Lignin free. 30% post consumer waste recycled Vintage, antique looking paper manufactured as simulated parchment