• For watercolor, acrylic, and other media • Synthetic brown nylon bristles • Long and short varnished birchwood handles • Crimped aluminum ferrules Assorted Brushes, Brown Nylon, Set of 12 Features 12 Brown nylon brushes, including nine Rounds (Sizes 1, 2, 3, 4, 5, 6, 7, 8, and 9) and three Flats (Sizes 3/8", 1/2", and 3/4").