The MAESTRO designation denotes the highest quality winter male Kolinsky Red Sable hair from the Tobol River region in Eastern Siberia. The high-quality, extra-elastic Kolinsky Red Sable brushes provide high color absorption, making it easy to paint all details perfectly. This set contains 3 travel brushes in an imitation-leather case. Put in your pocket, your handbag, watercolor set or easel and you are ready to go. The hard casing around the brush is virtually indestructible. These brushes are excellent for watercolors, illustration, animation and rendering. Certified green manufacturing with sustainable wood handles made in Germany at our family-owned factory since 1890. This set includes Series 1503 Size 4, 6 and 10. Recommended age 2+ years