Daydream Apothecary ARTIST brushes are handmade with a techno-synthetic blend of nylon and polyester filament, mimicking boar hair bristles without harming any boars. 3 1/2 x 2” width, designed for the smoothest blend. Perform beautifully on all surfaces, for all chalk painting techniques as well as wax and top coat application. Clean with soap and water. Take risks and paint freely with creative abandon. Find your artistic voice and believe in yourself.