ErichKrause brushes made of synthetic bristles for watercolor paints and gouache in the Sport DNA collection will help conquer new creative heights. The working part of the brush is treated with a compound that protects during storage and transportation. The... handle is made of natural wood and coated with a protective varnish. The seamless all-metal aluminum ferrule does not rust. The set includes round brushes No. 2, 3, 5 and a flat brush No. 8.