The product is a set of six flat pig bristle brushes, sized 2, 4, 6, 8, 10, and 12, specifically designed for oil painting. The brushes are made of high-quality wood and feature a long handle for easy application and control. With the brand Pennelly, these brushes are ideal for artists looking to create detailed and precise oil paintings. The natural hog bristle material ensures smooth and even application of paint, making them a must-have for any painter looking to enhance their craft.