The pen is cartridge-fed using a gravity-flow system

A4 (21 x 29

which matters specifically for alcohol-based markers: uncoated paper absorbs ink quickly

These highlighters have a water-based ink and trace lines that are 2 - 5 mm wide

smooth reverse for fineliners and markers

molotow 311em empty marker 4 8 mm FOFS The pen is cartridge-fed usingEmpty Molotow marker that can be refilled with any ink color. The pen is made in transparent plastic so you easily can see both what color you have in the pen and how much is left. The pen can be refilled over and over again and if necessary, the nib can be replaced (you will find all our extra nibs here). The nib is 4 8 mm wide.