I personally do not like these suppose to be spill proof cups. i have bought alot of spill proof cups and nuby is one of them that was a lie. I feel like it is all a lie from the get go. i bought alot of them but never used them after i bought them i always called the company who made the product and put in a complain . i hate them and would never recomend the spill proof cups to any… read full review »