Material:Nylon+aluminum tube+birch pen. Thanks to the latest polyester fibres, the flat brush has extreme dimensional stability and low bristle wear. Specifications:6 brushes, 6 sizes: 1 inch, 1.5 inch, 2 inch, 2.5 inch, 3 inch, 4 inch, meet your different needs, perfect for different sizes for crafts. Easy cleaning: After finishing painting, clean it easily by running the brush under the tap. The set of 6 painting tools can meet all your painting, decorating, arts and crafts needs. Widely Used: Ideal for gesso, canvas, varnishes, acrylics, oil paints. oil, watercolours, murals, furniture, large projects, wood paintings and other crafts. Our quality guarantee: If for any reason you are not satisfied with your purchase, you can contact us, we will endeavor to provide a solution.