This product is a set of painting , which are made with a premium wooden poles, copper tubes and nylon wool material, very durable. They some art work easier. These painting are very easy to use, you can use with gouache, watercolor, propylene, etc., and they are convenient to clean. Features -Color:Assorted Color -Material: Nylon wool, brass, wood. -Size: About 22.00X1.00X1.00cm/8.65X0.39X0.39in. - A set contains 24pcs multi-purpose watercolor brush painting pens, enough to meet your needs. - Suitable for gouache painting, watercolor painting, acrylic painting, oil painting and so on. - Not only for professional painters but also a good helper for beginners in painting. - The nylon hairs are carefully selected and will spring back perfectly after every brush strokes. - Air-dry the and store them in the carrying container in a tip- for long time of use. Package list: 24