I bought these when I weaned my 15 month old off his bottle, which didn't go over well so we compromised with water cups in his crib. I really like these since he can't sprinkle water everywhere, which is exactly what he does with any other kind of cup.They're slippery. My son drops it a lot if his hands aren't dry. The spout no longer lines up with the front of the cup either, it goes off to the side which is kinda annoying since its already slippery. But overall, I think they're decent for theSee full review