The real brush tips on these markers are ideal for illustrating and sketching on paper. They also work great for creating both narrow and wide lines. The plentiful grays are ideal for cartooning. The water-based dye is odorless and xylene-free. Colors included are geranium red, dark oatmeal, deep brown, oatmeal, brown and pale yellow. Details: Includes assorted colors 6 markers Water-based dye Odorless and xylene free Conforms to ASTM-D4236 standards