Sustainably made from 70% sugar cane fiber and 30% cotton rag, this cold press Hahnemühle Sugar Cane Watercolor Block offers impressive durability and an irresistibly velvety, textured feel. The natural white, acid-free sheets feature internal vegan sizing that allows the fibers to absorb significant amounts of moisture without pilling or buckling, perfect for wet-on-wet techniques such as watercolor and gouache. - Hahnemühle Sugar Cane Watercolor Pad - 3.1" x 4.1", 12 SheetsHahnemuhle Sugar Cane wc Ppr, 3.15 X 4.13 -