This Sharpie Twin Tip Permanent Marker is suitable for use on most hard surfaces. The unique design features a standard, durable, fibre tip on one end for bold marking and a ultra-fine tip on the other for more detailed work. The ink is fade resistant for long lasting clarity. This pack contains 12 black pens with both a 0.9mm and a 0.5mm line width.Twin-tip permanent markerWrites on glass, plastic, fabric and paperQuick drying ink: resists smearingAP certified non-toxic formulaTwo fine line widths: 0.9mm and 0.5mmSecure cap to prevent ink from drying upBarrel colour: GreyInk colour: BlackPack of 12DocumentsCOSHH Sheet