I have 7 different kinds of sippy cups and ALL leak. The babies will take a sip and then throw them on the floor, the milk then drips out of the spout (yes, even with a valve). I've spent a small fortune trying to find a sippy cup that doesn't have this issue. Any suggestions? I'm so tired of cleaning up milk from the floor.
Re: PIP your drip proof sippy cup
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I really like the relatively cheap Playtex cups that you can buy at Walmart (and probably every other store with baby supplies). You know... bright colors, random pictures of animals and cars on them, valves, 2 for $5. They don't leak for me, and they can be thrown across a room without any damage or the lid coming loose.
With the cups you have, are you maybe over-tightening them? Just about any sippy will leak if they're too tight. The pressure builds up, especially if your kids suck on the air with the cup not tilted far enough, or take long drinks without stopping to let the cup vent, and it has to come out somehow. Try tightening the lid all the way, and then loosening it just a tiny bit before letting them drink from it.
Yep these are the ones I was talking about, I looked up the name haha We have 2 and they are the 2 we use the most.
Since you said PIP....I LOVE these! We have 8 of them haha