About Product:Lines used to draw thin lines, grass, leaves, and so on.Strokes thinner than lines, brush hair longer, can be used to draw more elaborate designs.Petals shorter than the line brush hairs, coarse, used to draw the petals and other larger designs. Paint brush (oblique), this pen is amazing, you can draw the stereo effect of flowers. Exhaust stroke method, the latest painting techniques. To draw the stereo effect extremely strong artistic effect.