Twin Marker: Broad and fine for precise highlighting and underlining. Applies indoor, landscape, animation, product, industry, construction, environment art commonly used color and other design drawing Different Colours: Broad point Suit for coloring(3mm-6mm), Fine point suit for outline(1mm-2mm) Ink is waterproof, fade proof and acid free Also, most colors in this set can be used as highlighters Good Quality: The water-based ink is non-toxic, blend able, non-bleeding, and odorless Marker pens are made of strong pigments allowing you to draw at least 300 meters Color-Coded Caps: The color-coded caps allow for ease in organization and use in identifying colors Strong environment adaptability: It can be used to draw or sketch in glass, metal, photos, paper and so on. Features: - Comes with different colors to meet your demands. Quick to dry, simple and practical, no worry about soiling your clothes and hands. - Comes with a base and a storage bag, easy to carry and store, to keep them in place, time-saving and neat. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.