After firing, the durability of the colors on the ground was very good. Even after repeated rinsing, partly in the machine, keep the colors in our still properly. Funnily enough, the color is not held at 1 from 20 parts already directly after firing. But I assume that this is due to a not completely grease-free surface is (possibly cup previously not flush properly, or hands are not properly washed).
After staining of 20 parts that have been painted partly very flat, the pins has not join any empty. We had all three color variations, ie a total of 18 pins, which itself does not have become empty the frequently used colors like grass green.
The painting of the cups has made all a lot of fun. For a child's birthday or even for creating individual gifts these pins are perfectly suitable. Due to the high quality of the colors and the high quality of life, I forgive 5 Stars.
