The Collection from Hahnemuhle sets the new standard for premium watercolor papers., This 11., 8x15., 7 Hahnemuhle Watercolor 300 block contains 10 sheets of natural white, cold pressed, 300 gsm, watercolor paper. Arches Watercolor Paper Hahnemühle The Hahnemühle® Collection 300 Contains 10 sheets of natural white, cold pressed, 300 gsm watercolor paper Hahnemuhle Collection Watercolor 300 Block Cold Pressed 11 A carefully chosen variety of cotton offers purity and strong fibers The Turner is a High quality, 100% cotton 300gsm, Mould-made watercolour paper. The Blocks are glued and Gauzed on all four sides, ensuring flatness when... Paper is vegan, acid free, and resistant to aging The Collection Watercolor Papers set the new standard for watercolor paper A carefully chosen variety of cotton and raw materials offers extremely strong fibers and incomparable purity.