The 24" x 100' roll of Epson Standard Proofing SWOP3 Semimatte Inkjet Paper features a 240 gsm and a 9.0 mil thickness. The paper's semi-matte surface finish and neutral tint base is engineered to meet the requirements of SWOP3 applications. This RC-based paper yields stable prints when used in conjunction with Epson professional inks. Its medium Weight and wide color gamut make it an ideal choice for commercial Proofing.