Graphic Products-Block Printing Paper Pack By Black Ink Papers. These fine printmaking papers are a staple for any artist's paper collection. Made from 100% kozo (mulberry) fiber, these sheets are thin yet very strong, making it ideal for lino block printing, woodblock printing and silkscreen. Smooth on one side, lightly textured on the other. Experiment with each for optimal results. This package contains twenty-five 12x9 inch block printing papers (assorted pack contains twenty-four sheets). Comes in a variety of colors. Each sold separately. Imported.