This Pentel Paint Marker is packed with china clay ink that is superbly effective on non-absorbent surfaces such as metal glass rubber and plastic. Because the ink is pigment-based it produces a thick and opaque line that lasts longer even in sunlight. The bullet tip writes a 2.0mm line width is made from strong bonded fibre and features a valve to prevent excessive ink flow. This pack contains 12 markers with white ink. Ultra compact industrial marker with aluminium barrel Extra tough bonded fibre tip Valve-controlled nib prevents excessive ink flow China clay pigment ink: highly opaque and long lasting Designed for non-absorbent surfaces such as rubber and glass Broad bullet tip 6.6mm tip gives approx a 3.3mm line width Barrel colour: White Ink colour: White Pack of 12 The top white marker on the market