This Daniel Smith Fine Watercolour Paint Stick in Hansa Yellow Deep gives you the same rich vibrancy of Daniel Smith Watercolour paints in the size and feel of an oil pastel. The sticks may be used when wet or dry to build intensity and texture. For sketching and building layers into your finest watercolour work, Daniel Smith Extra Fine Watercolour Sticks are essential. Each stick is 7.6cm long and 3/8 of an inch thick. An excellent choice for the professional watercolorist.