Copic Sketch markers are high-quality professional illustration tools, perfect for architectural design, product rendering, and other forms of industrial design. They are also great for hobbyists for use with models, drawings, and similar projects. Numerous colors are available. The inks are alcohol-based for a long shelf life, and many colors are refillable. Each marker is double-sided, with a Medium Broad nib on one end and a Super Brush nib on the other. Additional nib types are also compatible. Ink refills and replacement nibs are listed under the Recommended Refills/Parts link above. The marker body features an oval profile that is roll-resistant on working surfaces, a smooth polypropylene surface for a comfortable grip, and a color-coded cap for instant color selection. Copic Sketch is the marker created for creative people! Marker Features: • Guaranteed 3 year shelf life • Compatible with Copic Airbrush System • Guaranteed color consistency • Refillable • Replaceable nibs • Medium Broad and Super Brush nibs/tips • Permanent and nontoxic • Alcohol-based ink dries acid-free • Photocopy safe • Great for design, comics, scrapbooking, and crafts Ex-1 Set includes: Rose Pink (R81), Rose Red (R85), Dark Red (R89), Pale Lemon (Y000), Pale Green (G000), Pale Aqua (BG000), Pale Heath (V000), Pale Purple (RV000), Peony (RV69), Grayish Cherry (RV91), Baby Blossoms (RV95), Argyle Purple (RV99). Ex-2 Set includes: Ice Ocean (BG72), Abyss Green (BG75), Bronze (BG78), Stratospheric Blue (BG69), Reddish Brass (E17), Copper (E18), Early Grape (V93), Smoky Purple (RV93), Rose Mist (R83), Pumpkin Yellow (YR15), Mellow Peach (YR82), Lightning Yellow (Y18).