With a naturally white semi-matte surface that lacks any optical brighteners, Proofing Paper White Semimatte from Epson is an ideal choice for Proofing commercial offset printing applications for items such as brochures, book covers, and posters. The precisely coated paper is available here as a 100-pack of 13 x 19" sheets and has a measured Weight of 255 gsm along with a thickness of 9.9 mil. Additionally, it has an opacity of 96% and a brightness of 90%.