The markers filled with permanent white pigment water based ink of high covering power. Intended for marking of various types of papers and non-porous materials such as metals, plastics, glass, ceramics, cables, and more. Trace is partially resistant to abrasion and is light-fast. Round tip for 2-3 mm trace width, 350 m trace length. Minimum lifecycle 2 years. Long-term storage recommended in horizontal position and put with the tip down before use.