General's Sketch & Wash Pencil 2pc- Water-soluble graphite. Create line and wash drawings or use as an all-surface graphite pencil. Can be used for drawing and writing on most surfaces, including wood, glass, canvas, plastic and is ideal for silk painting. For art, use with brush and water to create dramatic wash of Grey and Black or dip pencil directly in water to draw details. Try using in combination with watercolor, color pencils and pen & ink.