Yosoo Basic 24-color Set of Finecolour Sketch Marker with One Gift Bag, Alcohol Based Ink, a Fine Point Tip and a Broad Chisel Tip, 24-piece Art Marker Set The water-based ink is non-toxic, blend able, non-bleeding, and odorless Alcohol-based ink dries acid-free. The ink is formulated to give the richest color saturation with smooth coverage. Ideal for technical and artistic applications. Artist-quality markers feature two distinct nibs capable of achieving multiple line widths, fine tip for details and chisel tip for large and small lines. Come with a handle bag. Makes it easier to choose pens and keep them organized. You can take it with you anytime anywhere, fashion and stylish. Perfect for Writting,Drawing and Artist Sketch,meet all high requirements for artist- handling, sense of color, true color transfer to fine color texture. Whether you're looking for a beautiful set of pens for grown up coloring books, or your 3rd grader's art projest; you'll find this set be perfect for both. This is a great gift idea and perfect for encouraging creativity.