Premium Mongoose Filbert Hair Artist Brush Set Long Polished Wooden Handle for Acrylic Oil Watercolors and Gouache 6 Sizes Hair Material: The Hair is made of excellent siberian hair, soft but good eslastricity ,filbert shape ,Offer Excellent Liquid Holding Capacity that results in an Easy, Smooth Flow of Paint Ferrule Material : Shiny aluminium, nickel-plated brass or customized ferrule material is available Handle material: Birch Wooden handle material is available The Complete Set of brushes include 6 sizes - 2, 4, 6, 8, 10 and 12. With their ergonomic long handles, the brushes measure from 10 1/2" to 12" in length This Professional Set of paint brushes is suitable for acrylic painting, oil media, watercolors, pottery, gouache, and craft painting