If he falls down times, injected some contents on the floor. Well now, but still better than a completely open cup. My daughter refused unfortunately still every cup, glass o. Ä. Again, we had teething problems, they did not even want to try it.
Despite manufacturer's recommendations end up with us all the parts in the dishwasher, so far everything has survived perfectly.
Conclusion: A good mug for home or on the road, easy to clean, just a bit more expensive.
