Specifically if they are younger and don't know to not let it tip over and leak. My two year old uses Thermos straw cups most of the time, which is fine because she knows to close it or not let it tip over (most of the time). My ten month old uses straw cups with handles from Target and for the price they aren't bad. She needs a few more though, and I'm debating just picking up a few of the same ones or getting something new.

What brand of straw cup does your LO use? Any you have tried that have failed?