Escoda Versatil travel Brush set includes 2, 4, 6, 8, 10 and 12 round pointed brushes. A True Kolinsky Sable Imitation (Synthetic Kolinsky Fibre); Considered by most artists as the closest replica to real, high quality kolinsky sable hair. Excellent for use both with watercolour and good for acrylic / oil, allowing artists to create fine details as well as providing superior performance for colouring large areas and backgrounds; Stiffness: 3 on 6. Triple Crimped Ferrule, ensuring that it will remain in place for a lifetime of use. Perfect Point; Crisper Edges; Natural Spring; Superior Absorption; Increased Fluid Retention; Built in memory for a permanent long-lasting shape