NUK 10256248 - First Choice soft silicone spout leak proof 1 piece (Baby Product)
Basically, the sucker is really great. Our son takes him very much. He is really leakproof. I would give it 5 out of 5 stars, if he would not go so insanely fast break. And every week a new vacuum cleaner to buy, it's just too expensive. Therefore, I