... provide customers with various kinds of water-color, marker, highlighter, whiteboard , cosmetic , felt pen nibs etc.The general size in our factory ... .Liquid is fluid and can flow easily through the nib, write smoothly and quickly.All our products sale in a competive ... Pens- Highlighter Markers- Erasable Whiteboard Markers- Brush Pens popular White Board Marker pen Nib&tip