The Winsor & Newton Designers Promarker - Chocolate is an essential tool for any artist or designer. This marker is made with a high quality, alcohol-based ink that is both lightfast and permanent. The ink is also water-resistant, making it ideal for use on a variety of surfaces. The marker has a chisel tip that allows for both fine and broad strokes, making it perfect for creating detailed illustrations or bold designs. The marker is also double-ended, with a fine bullet tip on the other end for more precise lines. The ink is non-toxic and acid-free, making it safe for use on a variety of surfaces. The marker is also refillable, so you can easily replace the ink when it runs out. With its versatile design and high quality ink, the Winsor & Newton Designers Promarker - Chocolate is an ideal choice for any artist or designer.