Function Features: ·5*round brush (244mm, 225mm, 219mm, 206mm & 195mm) HIGH QUALITY Material: the pen holder is made of high quality birch, which is not easy to crack. Nickel plated copper tube, good hardness, not easy to be corroded, long service life. The brush is composed of one-stage nylon wool, with good water control and friction resistance. PAINTING USE: Suitable for watercolor. Round are great for detail, wash, fills, and thin to thick lines. Perfect for professionals, artists, students, novices, beginners, adults. LOOKING AFTER YOUR BRUSHES – Simply clean brushes with warm water immediately after use , and reshape brush tip. Leave brush to dry at room temperature. Ensure it is no resting on its head, as it will then dry misshapen.