Who BVB Dortmund so do not like will find the color combination black-yellow probably unpleasant. I find it okay. Less encouraging: the filler uses extra long cartridges because I have to buy supplies, since I usually only the normal brief use.
The pen fits comfortably in your hand, it is rubberized and ribbed which provides grip. Have lightly lubricated the first letter and was surprised by how strong the pressure cap must be pressed. The writing feel is fine.