Silver Brush Limited WC-3207s Black Velvet Must-Have Rounds Set, Paintbrushes for Watercolor, Gouache, Inks, & Dyes, Set of 7, Sizes 0, 2, 4, 6, 8, 10, and 12 Round Brushes, Short Handle. ROUND BRUSH SET: This set of watercolor brushes has 7 round brushes of varying sizes.