Buytra 6-Piece Nylon Hair Paint Brush Set Professional Artist Paint Brushes Art Painting Supplies for Watercolor Oil Acrylic Painting Material: Nylon hair Flat Head Absorbent and Flexible Bristles Water Coloring Brushes,also can use for Acrylic Paint and Oil Paint Sizes : 2, 4, 6, 8, 10, 12 To clean your brushes, just run them under warm water to wash out the paint and use your fingers to gently reshape brush hairs