BIC Marking Colour Collection Permanent Marker Bullet Tip 0.8mm Line Assorted Colours (Pack 12) BIC Marking Colour Permanent Markers are perfect for labelling, decorating or doodling in a range of bright, vibrant colours! As well as this, they feature colour coded caps and rubber grips for quick and easy identification. The Markers write on a number of surfaces, including glass, metal and plastic. You can even use them to doodle on your photos! Choose from a range of colours including yellow, pink, green, blue and red.