square format.
These spiral-bound watercolor books offer tie closures and contain 20 sheets of black watercolor paper. Shizen Design Handmade Black Watercolor Paper is made from 100% recycled paper pulp from cotton scraps in the Indian garment industry. The dark surface is great for use with iridescent or metallic paints as well as other high contrast art journal applications. Black Paper Watercolor Book rough 6 in.