Refillable highlighter with a line thickness of 1 and 5 mm. The ink is made from bio-based materials, making it environmentally friendly and resource-efficient, and it is housed in a casing made from 90% recycled plastic. It is certified with the internationally recognized environmental label "Blue Angel." The universal ink is suitable for standard, copy, and fax paper. Refillable with the Maxx 660 refill station. The barrel is black and features a clip. The colors are assorted, and the contents are packaged in a 6-piece cardboard case (yellow, orange, pink, red, green, blue).