* Not a typical, unpleasant odor of virgin
* Simple look
* Grip shaft -> The pins fit comfortably in your hand.
* The shaft is used to control the filling level Mine.
* The cover is easily removable with one hand.
* Fit to the writing tip and does not fall off.
* Can be attached to clothing, the block or clipboard.
* Lid and tail indicate immediately to which ink color is.
* Choice between four colors (red, green, blue, black)
* With the pins, it can be written well.
* The ink is water-resistant and waterproof.
* No drying time for the ink needed; no blurring
* All pins operate.
* Do not dry out when they are closed with the cover.
* Dry without cover from very slow.
* The cardboard box can be used as a reservoir.
* Purpose fulfilling
* Very good & quality processing
* Very good value for money (16 euro = 32 cents / pin)
* The paper box could be a little more stable and have a more neutral style.
* It's worth it to have these pins as stock. -> I got myself in all colors.