This 10-pack of Tombow Portrait dual brush pens complements the 10-pack of Tombow Landscape dual brush pens to provide a versatile 20-piece set for creative projects. Both packs contain water-based, blendable brush pens with flexible nylon tips that create variable strokes and fine tips for smooth lines. The Portrait set features an updated color palette with 910 Opal, 990 Light Sand, 992 Sand, 947 Burnt Sienna, 879 Brown, and 899 Redwood while the Landscape set includes a new 969 Chocolate color. With their blendable, non-toxic ink, ability to self-clean after blending, and suitability for paper crafts from hand lettering to watercolor and illustrations, these acid-free, odorless pens allow limitless creative potential. Pairing the Portrait and Landscape sets creates a 20-pen collection with complementary hues perfect for coloring, journaling, rubber stamping, doodling, and fine art techniques on smooth, non-textured paper surfaces.