Quantity of 1 means three pens.  Silver Pens for Marking Leather, PVC or other smooth materials before cutting.  The markings are easily washed or rubbed off without any traces.  The pens are high quality with silver ink and medium line ball point.  The length of the pen is 4.25 inches.

For full satisfaction, please mark your material somewhere on the side to make sure that it could be wiped off easily.  There are some rare types of leather that it is difficult to wipe the tracings of this pen off.