Oil Painting Brushes - Set of 4 Flat Brushes in Various Sizes - Quantity: Set of 4 - Brush Shape: Flat, Round - Bristle Material: Unknown. Purchased 3-4 years ago, so I don't remember. Feels like animal hair. - Handle Color: Black - Brush Sizes: 12, 8, 6, 4 Thank you for viewing. Purchased around 2022. Unused, but shows some gray-to-black dirt, like dust. See photos. Stored at home (no pets, non-smoker)