20 mil thickness, 350 gsm, 95% brightness Inkpress Matte Canvas Paper is 100% Cotton, acid and lignin free. The bright matte finish is water resistant (required for pigment inks). Due to the high flexibility, the matte canvas may be stretched without cracking when framed. It is designed for high quality reproduction with inkjet printers. Due to the presence of natural components in the base material, the surface characteristic may vary slightly. The uncoated backside is kept naturally brownish. (Manual feed is recommended on Most Printers) Ideal for Ultrachrome/Dye Pigmented Inks Also Works Well with Quadtone Blacks