LOEW CORNELL-Studio Elements Brush Set. This package contains five paintbrushes designed for use with watercolors and gouache. Each one has natural camel bristles with a 5-1/2 inch long wood handle and a 1-1/4 inch long metal ferrule. Sizes include Round 4, Round 6, Shader 4, Shader 8, and Wash 1/2-inch. Imported.