These paint brushes are made of synthetic hair bristle with high quality long wooden smooth handles. Flat paint brushes are ideal for bold, sweeping strokes, or on the edge for fine lines. This 12pc set is ideal for art students and experienced master painters as well; these synthetic hair paint brushes with split-ended bristles work well with acrylic paint, oil painting, watercolors, and gouache. With a wide range of sizes from 1 to 12, you can select precisely the right size that you need for any given task. Always have the right tool for the job with this set on hand. These synthetic bristle paint brushes are a great value in bulk from our warehouse as well. Pick up a few extra sets so you are always equipped!