The Cretacolor Aqua Monolith is a solid stick of water-soluble pigment, 7mm in diameter. It can be used on the point for details, or the lacquer can be peeled off to expose the edge for broad, sweeping marks. Shavings can also be dissolved in water and used as paint.Details:Available in multiple colors7 mm diameter12 pencilsWrapped in a thin layer of lacquerWater solubleCreates soft strokesRich color laydown