Papermate Inkjoy 100 Ballpoint Pen 1.0mm, Classic Assorted Colours - 10 Pack. Paper Mate InkJoy 100 Ballpoint Pens feature a unique ink system which provides effortless writing with crisp, clean lines. The pens feature a clear barrel which allows you to see how much ink is left and a coloured cap which matches the ink colour so you can quickly and easily identify the correct pen. The pens each have a 1.0 mm ballpoint nib. They are perfect for every day use on most paper types. Each pen contains the unique InkJoy 100 ink system which won't smear and starts quickly without dragging. The pens have a triangular barrel for your comfort. There are 10 assorted colour pens in this pack so you can stock up.