This fine liner is for sketching. The line width is consistant and, when the waterproof pigment ink is dry, drawings won’t bleed or smear if drawn over with alcohol-based markers. Optimal reproduction properties and resistance to UV light is guaranteed. 8 high-grade tips included, including two brush tips. These Multiliners were specially developed for graphic artists, industrial designers and architects. Copic art tools are the highest quality available in the world today. Our refillable pens and markers feature replaceable nibs to allow for lifetime use. Our marker based airbrushing system is one-of-a-kind, easy to use, and easily extends any existing Sketch or Original Copic marker collection. Computerized color matching and strict manufacturing standards have provided over 25 years of guaranteed color consistency. Copic inks never vary from batch to batch.