The Winsor & Newton Designers Promarker True Blue is a professional-grade marker that is perfect for creating vibrant artwork. This marker features a twin-tip design, with a fine tip for detailed work and a broad tip for larger areas. 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 True Blue is ideal for a variety of art projects, from illustrations and sketches to coloring and calligraphy. It is also great for use on a variety of surfaces, including paper, cardstock, wood, and fabric. The marker is easy to use and requires no special techniques or tools. Simply uncap the marker and start creating The Winsor & Newton Designers Promarker True Blue is a great choice for any artist looking for a professional-grade marker that will produce vibrant artwork. With its lightfast ink, non-toxic formula, and refillable design, this marker is sure to become a favorite in any artist’s collection.