Oil-based pens that write with 2mm and 1mm fine tips Oil-based markers Basic colors: 4 colors x 2 types per set ☆ Can write on most surfaces, including paper, plastic, glass, metal, and vinyl! ☆ Can be used for various purposes such as crafts, DIY projects, labeling, illustrations, and note-taking! ※ Sets of muted colors are also available. Please comment in advance if you would like to purchase multiple sets.