I love the green color, and the glow in the dark aspect is cool. The pens looks just like the photos. The iridescent flakes are very pretty and go well with the black and green. The overall patterns of the flakes and colors give a pleasing overall design. BENUs write great, nice and wet. I used Monteverde Erinite and the writing experience is perfect (as a bonus the color matches the pen well). The briolette fits in my hand well. I also got the matching stand which is a great combo.
As with all the Benu Briolettes that I own this is a smooth writer. I purchased the fine. Medium nib is even smoother. Nice weight and comfortable to hold. Pen does not post. My only disappointment is that the one I received was much darker green than the photos. More of an emerald green.