This double-ended instrument has both broad and fine acrylic filament nibs that can be used to apply any water-based medium to a variety of surfaces, such as silk, watercolor paper, board, canvas, cotton, wood and clay. While is especially designed for silk and fabric painting, it can also be used for applying other water-based mediums and liquid frisket to any art project. It also can be used just like a brush to lift out, soften edges and blend. Details:Black Double-endedFine and broad size nibsInstructions includedPoints stay firm when wetWorks well with a straightedgeAcrylic filaments