When choosing paint brushes, it is important to consider the size and shape of the brush. Smaller brushes are better suited for detail work, while larger brushes are better suited for painting large areas. Round paint brushes are ideal for laying brushstrokes, while flat brushes are ideal for creating broader lines. Generally, a beginner set should include a variety of sizes and shapes to offer versatility for different projects. It is also important to consider the material of the brush. Synthetic paint brushes are generally more affordable, while natural hair brushes are more expensive. Synthetic brushes produce less lint than natural hair brushes, so they are ideal for painting with watercolor paints. Natural hair brushes may be the best choice for working with oil paints since they absorb and spread the paint better than synthetic brushes. The ferrule is the metal piece that attaches the handle to the brush. Finally, the quality of the paint brushes is an important factor to consider when making a purchase. Poor-quality brushes can shed bristles, which can ruin a painting. High-quality paint brushes are made with finer bristles and better craftsmanship, making them better suited for difficult painting techniques. To ensure the highest possible quality, choose a set that includes a certificate of authenticity.