Acrylic Paint Brush Set, 6 pcs Watercolor Brushes, Painting Brush Nylon Hair Brushes for All Purpose Oil Watercolor Painting Beginner Kits 6, Green. Versatile Brushes Set – This set of 6 nylon paint brushes includes two flat brushes (sizes 4, 8) and four round brushes (sizes 2, 4, 6, 10).