This product is a set of painting brushes, which are made with premium wooden pole, copper tube and nylon wool material, very durable. They can make some art work easier. These painting brushes are very easy to use, you can use with gouache, watercolor, propylene, etc., and they are convenient to clean. Features -Material: Nylon, copper, wood -Size: 18.80X1.20X1.00cm/7.39X0.47X0.39in -Premium nylon wool of these painting brushes, fine workmanship, good to use. -These painting brush's pen tips have and tough hair, not easy to break. -Premium solid wood pen holder, smooth texture and comfortable feel. -Elegant and beautiful, simple shape, very convenient to clean, easy to use. -The copper tube interface pen tube, fasten the pen tip, effectively prevent it from falling off.