COPIC markers are a must have for your art supply arsenal! They are versatile, double-ended, refillable markers with fast-drying, permanent non-toxic ink. The Sketch marker features a comfortable oval barrel with a super brush nib on one end that is perfect for doing professional art and illustration, fashion design, Manga, and adding detail to your images. The Sketch super brush nib acts like a paintbrush both in feel and color application. For more control, use the medium broad nib on the opposite end of the marker. Both nibs are replaceable.