Mark Your Day \r\n\r\n Our high quality permanent marker set are easy to hold, mark a dark, non-smearing mark, and effortlessly slide over all types of materials. can be mark on paper, plastic, metal, wood and most other surface. Use them on your cardboard boxes, paper cups, mugs, poster board, or signs.\r\n\r\n These permanent markers set pigments are as bold as a name brand permanent marker and they can last as long as for doodling, scrap booking, crafting, writing, bold labeling and detailed marks.\r\n\r\n Our permanent marker pens are certified non-toxic&acid-free, safe for adult and children.\r\n\r\n\r\nPackage include: 30 Pack Black Permanent Markers with Box