Pentel Whiteboard Knockle Round Medium Marker, Series, Tip, Point, Black, 5-Pack, XMWLM-A

[Features] When the ink becomes faint, simply push the button to restore the ink's richness and write vividly. [Size/Weight] Width 21mm x Depth 21mm x Length 125mm / 22g [Ink color] Black [Line width] Round tip, medium point [Materials] Cap, knock mechanism, front barrel, valve seat = recycled PP; barrel = PP; pen tip = polyester fiber