Umbria brushes are the perfect combination of supple flexibility and firm control. These qualities allow for ease of expression with your brush strokes. The flats and filberts have long brush hairs with add to their responsive quality. These brushes are excellent for oil, acrylic and water-soluble oils. The quality of the synthetic hairs allows for a smooth application of paint, yet, firm enough to create visible brush strokes if that is the desired effect. The brushes are very easy to clean, unlike some older synthetic lines. The synthetic hairs of the brush are very strong and can take more use and abuse than natural hair brushes; therefore, ensuring a long life for the brushes. The Umbria brushes are very reasonably priced, making them a great investment for your art.