Daler Rowney Simply Bristle White Long Handled Brush is made with durable synthetic hair. These brushes are ideal for Acrylic, Watercolour, and Oi colors The resistant gold Taklon brushes are especially good for heavier textures such as Oil. Sizes of the brushes: Round 1, 3 & 5. Flat 2 & 8. Bright 2,6 & 10. Filbert 2 & 6.