Permanent, Opaque paint in marker form. A wide selection of colors and nib sizes to choose from, as well as sets.
3X2mm Set 1 Monochrome, 3X2mm Set 2 Accent, 3X2mm Set 3 Primary, 8X2mm Set 1 Essential, 8X2mm Set 2 Dreamscape, 8X2mm Set 3 Portrait, 8X2mm Set 4 Metallic, 8X2mm Set 5 Landscape, 16X2mm Set Expression, 40X2mm Set Radical