The set contains #6 #7 #8 #10 #12 #14 in total of 6 sizes The hair is Kolinsky Imitation Synthetic hair , which is better than ordinary nylon Round sharp tips enables artists for liner drawing ,also enables users draw pictures in a small size area Travel brushes ,good portability The hair is soft , so the brushes are mainly for watercolor painting Biaelk Travel Watercolor Brushes Set ,Portable Pocket Round Watercolor Paint Brushes Set of 5 Sizes of #6#7#8#10#12#14 for Sketching,Outdoor Painting ,Soft Synthetic Hair for Acrylic ,Gouache ,Face Painting Small and Portable , with soft bristle hair , synthetic taklon hair