Not all synthetic brushes are the same. All of them have different goals and different materials. These Roubloff brushes have quite stiff hair, making them perfect for acrylic painting and some works in oil. They are softer than hog bristle imitation brushes.
The full overview of synthetic brushes you can find in our knowledge base.
Filbert shape is a very popular shape for everyday use due to its universal use and blending capabilities. These filbert synthetic brushes are perfect for spreading acrylic or oil paint, and blending.
Brush size = width of bristle at the ferrule, in mm