Cretacolor Aquagraph Pencils Are Water-Soluble Artists’ Graphite Pencils Featuring Hints Of Color. Ideal For Sketching, Drawing, And Mixed Media, They Can Be Used Wet Or Dry To Add Subtle, Watercolor-Style Washes, Accents, Or Highlights To Your Graphite Drawings. When Brushed With Water, Their Pigment Becomes More Vivid On Light Backgrounds.