This Richeson Art Size 3" Flat Brush is from the Richeson 9010 watercolor series, and is an excellent option if you are looking for a high quality watercolor brush to add to your collection. These brushes are world renowned for their durability as well as their ease of use. They are constructed to be durable and withstand wear and tear over several years, and they can be used for harsh painting techniques. A good choice for watercolor or acrylic art, these brushes are easy to work with for any artist of any skill level. They are made of high quality synthetic fibers that hold color in well.