Pro Art Blending Tortillions 4/Pkg-Large PRO ART-Blending Tortillions These high quality, spiral wound tortillions are specially made of soft gray paper felt and are designed to blend and soften color on pastel, pencil, and charcoal sketches Sharpen with a sanding block (not included) This package contains four Blending Tortillions Available in small, medium, and large sizes: each sold separately