Escoda Último Synthetic Squirrel Brushes offer a substantial water-holding capacity and exceptional softness that is an almost perfect imitation of natural squirrel hair. Ideal for watercolor painting, the Último Synthetic Squirrel Brushes also work well with gouache, inks, and fluid acrylics. - Escoda Último Synthetic Squirrel Brushes - Series 8911 Assorted, Set of 4, Short HandleEscoda Ultimo Synthetic Squirrel Brsh sh, 4 PC SET - Includes one each of series 1525 Round 6, series 1530 Round Mop 12, series 1533 Rigger 2, and series 1534 Dagger Striper 6.