Vibrant colors for successful watercolor effects! This set of 24 watercolor pens offers a range of basic assorted colors. Their water-based, odorless, and non-permanent ink makes it easy to create gradients and subtle blends. Activate the watercolor effect by adding water to the paper or directly on the tip. Key Features: – 24 assorted colors – Water-based, odorless, non-permanent ink – Perfect for blending, shading, and fine details – Easy water activation for watercolor effects A quality product by DeSerres.