Munchkin sippy cup

rrachelle813

does anyone have issues with the munchkin cup (weighted straw) leaking? Sometimes liquid just pours out of the top. I thought these things were supposed to be leak proof?!

Sporty1216

Mine does that too when I keep it in the fridge and then take it out. The temp change seems to make the milk leak out. I've stopped using it for anything except water that I keep at room temp. For the milk, I've been using take and toss straw cups that don't have a valve in the straw. I have to carefully supervise LO when he uses it, but at least it doesn't spontaneously leak!

katy4128

I am not a fan of any munchkin products. My lids never screw on right and my cups leak!

nursedockter

When I put them in the fridge during the day I just unscrew it a little. Other than that they have been great and these girls love them!

rrachelle813

I have two and they both do it no matter the liquid or temp. These damn things are expensive too! They shouldn't have so many issues.

AnnH74

Mine leaks too. I think it's a temperature issue.