The Zen brush line features exclusive filament and hair blends, a broad size and style selection and metallized waterproof handles. The brushes are designed to meet the needs of beginning, intermediate and advanced artists working in a variety of mediums. The complete line includes six brush series, each with its own purpose. Each set contains five brushes in a variety of styles and sizes. The Oil/Acrylic Brush Set, Series 63 contains one each of the following: Fan size 6, Bright size 6, Flat size 12, Filbert size 6, and Angular size 2.