Museo Portfolio Rag is a 300 gsm extra smooth matte rag paper designed with fine art photographers in mind who want the look and feel of a 100% cotton fine art paper but without the texture that can detract from a portrait or facial close up. This paper also produces outstanding Dmax and color gamut while maintaining fine shadow details.Acid FreepH-NeutralBrightener FreeFlake-free coatingInternally Buffered