Quality Material: The paintbrush consists of two parts, the body part is mainly made of plastic, which is strong and ; and the brush part is made of nylon bristles, which can make the paint smoothly. Easy to Clean: After using the brush, please clean and re-shape the tip of the brush with warm soapy water. Air-dry the brushes in a cool place to make them dry naturally, then they reshape to work well. Wide Application: Paint pens in bulk are suitable for watercolor painting, oil painting, gouache painting, acrylic painting, body, nail, face painting, model, ceramic, craft art painting, etc. Easy Control: A short plastic handle provides easy control and manageability, especially suitable for crafters of any age. Ferrules are seamlessly double-crimped to the handle, so they 't wobble, or shed. Package Includes: You receive 100 pieces of paintbrushes in 4 colors, red, yellow, blue, and green, and each color has 25 pieces. Enough quantity to satisfy your painting needs.