"Derwent Inktense Watersoluble Ink Pencils, 24 Pack"
Derwent 24 Inktense Watersoluble Ink Pencils. Inktense water-soluble, non-toxic colored pencils combine the brilliant intensity of pen and ink with the versatility of line and wash. Draw with the pure, vibrant dry color, then apply a wash of water to create a translucent ink-like effect. Once dry, the color is permanent and can be worked over with other media.