Pack of 10 assorted colour staedtler triplus fineliner pens these pens have a superfine metal clad tip which give a line width of approx 03 mm the ink is dry safe which means you can leave the cap off for days and the pen wont dry up the ink is also water based and so can be washed out of most textiles the pens are supplied in a stylish and practical staedtler desk top box