The Clic & Go Water Cup has a practical folding mechanism that is collapsible for storage and transport. The very strong, anti-slip material is easy to clean. The wavy edge acts as a brush rest, keeping the work area neat, holding brushes in between uses. Ideal accompaniment to all Faber-Castell Watercolor Pencils. Not suitable for solvents such as turpentine. The Collapsible Water Cup has collapsible and expandable feature which makes it the perfect cup for travel and storage. Features scalloped edges so your paintbrush will not roll off of the cup between uses. Paintbrush not included. This heavy duty water cup holds approximately 350ml or 12 ounces and is PVC and latex-free. Not for use with solvents. Use your Clic & Go Water cup with all of your favorite Premium Quality Faber-Castell Art Materials. This water cup features a dark green outer with a gold inner color. See your artwork come to life with the absolute best quality art materials. Faber-Castell has proudly manufactured premium quality art materials since 1761.