Copic Sketch markers are alcohol-based, refillable dye markers with replaceable nibs for full versatility. Each marker features a flexible brush nib for blending and creating variable-width strokes, as well as a firm chisel nib for writing and sketching in broad strokes. Ideal for comic drawing, scrapbooking, fine art, illustration, product design, and more, this marker is an essential for artists, designers, and crafters.DETAILS:COLOR:Available in multiple colors.MATERIAL:Alcohol-based ink, PlasticCOMPATIBILITY:Refillable, Nontoxic