These Faber-Castell Watercolour Hexagonal Pencils are highly pigmented for brilliant and rich colour laydown. Add water to these colours and you can experiment with a wide range of watercolour effects and techniques. There is a sharpener and brush included so you can start using the pencils straight away. These pencils each have medium soft, 3.3 mm leads. The lead is specially bonded to resist breakage. You can use a wet brush with these pencils for watercolour effects. They're hexagonally shaped to be comfortable to use. They can be blended to create new hues. There are 36 pencils in this pack, in assorted colours. This product is FSC certified, so you can be sure your purchase supports healthy forests and protects wildlife.