Broad bullet tip white marker. Valve-controlled marker for non-absorbent. surfaces - e.g rubber, glass etc. White china clay pigment ink. Aluminium barrel and tough, bonded fibre tip. The top white marker range on the market PERMANENT MARKER. Valve controlled quick drying white ink. Medium bullet point (600m writing distance.), Fine bullet point(2,400m writing distance.), Broad bullet point.(1,200m writing distance).