The Winsor & Newton Designers Promarker in China Blue is a professional-grade marker that is perfect for any artist or designer. This marker features a chisel nib and a fine point nib, allowing for a variety of line widths and styles. The alcohol-based ink is highly pigmented and lightfast, ensuring that your artwork will remain vibrant and true to color for years to come. The ink is also non-toxic and odorless, making it safe to use in any environment. The marker is also refillable, so you can keep using it for years to come.The Designers Promarker is ideal for a variety of applications, including illustration, graphic design, and calligraphy. It is also great for use on paper, card, wood, and other porous surfaces. The marker is easy to use and requires no special techniques or tools. Simply uncap the marker and start drawing The Winsor & Newton Designers Promarker in China Blue is a great choice for any artist or designer looking for a professional-grade marker. With its lightfast, non-toxic ink and versatile nibs, this marker is sure to become a favorite in your art supplies.