These Copic markers are versatile double-ended refillable markers with fast-drying, permanent nontoxic ink, ideal for calligraphy, airbrushing and graphic arts applications. These markers feature a broad tip on one end offering smooth, consistent coverage for large areas, while the fine tip on the other end allows for easy detail work.Details:Includes assorted cool gray colors12 double-ended markersBroad tip and fine tipDries acid-freeNontoxicSquare, rounded-edge barrel designed for comfortCompatible with the Copic airbrush system (sold separately)