Excellent Set For Watercolor Painting Activities. This 12 Brush Set Contains 9 Tapered, Round Synthetic Bristle Brushes In Sizes 1-9 And 3 Flat Synthetic Bristle Brushes In 1/2", 3/8" & 3/4" Widths. All Brushes Have Short Natural Hardwood Handles And Rust-Proof Ferrules.