50 Blue Parchment 65lb Cover Weight Paper - 4" X 6" (4X6 Inches) Photo|Card|Frame Size - Printable Cardstock Colored Sheets Old Parchment Semblance Cover weight 65#. GSM weight 176. Caliper thickness .010". Metric .254mm Blue color with darker and lighter tones Finish that is laser and ink jet printable Acid-free and Lignin free. 30% post consumer recycled. Old, antique looking paper manufactured as simulated parchment