Create precise drawings or vibrant watercolor paintings with Faber-Castell Goldfaber Aqua Dual Markers and Sets. Fully water-soluble, the dye-based ink is water-based, acid-free, pH neutral, odorless, and will not bleed through paper. The dual nib design allows you to alternate between artistic strokes with the flexible brush nib or create outlines with the metal-cased, 0.4 mm fineliner nib. They are perfect for watercolor techniques, coloring, sketching, and lettering. - Faber-Castell Goldfaber Aqua Dual Markers - Tuscany, Set of 6Goldfaber Aqua Dual Marker, TUSCANY 6PK - Includes the colors 267 Pine Green, 283 Burnt Siena, 446 Sky Blue Pastel, 269 Green Ochre, 186 Terracotta, and 190 Venetian Red.