The Copic Sketch Marker is a high-quality illustrating tool that combines both the classic broad, slanted nib and a flexible brush style nib. This nib combination delivers a broad variety of marks to cover broad areas quickly, make blending easy or give flowing gestural marks to your artwork. Their square body keeps the marker from rolling off your table.The alcohol-based ink of Copic markers dries acid free and applies smoothly, with a vibrancy that cant be replicated with other markers. Once dry, Copic Sketch markers are permanent on many surfaces, including paper, leather, wood, fabrics, plastic, faux fur, and more. Also free from harmful chemicals, the Copic Sketch markers are enjoyable to use in small working spaces. These markers are a popular choice among comic artists, architects, product designers, graphic designers, industrial designers, calligraphers, journaling and colouring in.