Oil paint brushes are specialized tools designed for applying oil paints to various surfaces, such as canvas or wood. They come in various shapes and sizes, including flat, round, and filbert, allowing artists to create different strokes and textures. The bristles can be made from natural materials, like hog hair, or synthetic fibers, each offering unique qualities in terms of stiffness and paint-holding capacity. These brushes are typically more durable than those used for water-based paints, as they can withstand the thicker consistency of oil paints. Proper care, such as cleaning with solvents and storing them correctly, helps maintain their shape and longevity, ensuring they remain effective for future projects.