The clearly visible from the outside curvatures increase the grip of this mug clear.
Not seen in the picture: The interior of this cup is smooth, the bulges outwards not be found on the inside of the cup again. This less residues remain in the cup and it is easier to clean.
Rubber cap in the lid prevents complete phasing out of the cup when tipping. Due to the principle may nevertheless a small amount of leakage, however, only about one gulp.
Neutral:
The rubber cap in the lid is relatively loose it plugged into a Kunststoffnoppe. Should it come in time to fatigue, the cup is no longer leakproof.
The cup is tapered (upwards is always on), the cover does not take this into account. So the lid presses on ordinary hard pressing again a few millimeters upwards, however, is still far from easy to jump off.
Negative.
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Conclusion:
Overall, the best cup of its kind that I've found. After my initial order of two cups I again ordered six. The relatively high price I think is justified.
