This set contains 15 highlighters in vibrant colors, including 9 fluorescent and 6 pastel markers. Featuring a dimensionally stable double tip, you can individually adjust line widths of 2 mm and 5 mm. The water-based ink ensures safe and healthy use. In addition, the markers are refillable and take up to 4 hours to dry out when left uncapped. Includes a practical holder for neat storage.