These brushes are made from FSC® 100% certified wood and are part of Micador's green eARTh collection.• Perfect for students and beginner painters.• Can be used for oil, acrylic, poster colour and general purpose work.• Due to the synthetic bristle, these brushes last longer than regular hog hair brushes!• The synthetic bristles mean that brushes have more spring to evenly spread the paint.• The Roymac Future brush is good for our planet and your budget.