This product is a set of used oil painting brushes from various reputable brands such as Grumbacher, Winsor Newton, Cameo, and Air Sign. The brushes are designed for oil painting and come in flat shapes in sizes 1, 12, 8, 6, and 4. They have various bristle materials and long handles for easy handling during the painting process. Ideal for artists and crafters looking for high-quality and versatile painting supplies.