Perfect for watercolor liftoff and reworking color on paper or any surface. The Silver Scrubbers can also be used for scrubbing, stippling, blotting and stenciling. Work on any paper, canvas, fabric, wood, walls and more. The "Scrubbers" are made of a very fine quality stiff white taklon. Use in oil, jar, paint sticks or tube acrylics and all water-based media. Can also be used with thicker paints on rough, sturdy fabric. Each set features 3 popular sizes--1/4 in, 1/2 in, and 5/8 in. The multi pack contains a 1/4 in dome, a 1/2 in oval and a 5/8 in angle brush.