I've tried all different kinds of plastic bowls before. An annoying challenge I ran into is seeing how some of the plastic bowls slip and slide when my kids were trying to eat out of them. Plastic is good for the little ones, but if they're too light and don't have some kind of rubber on the bottom, they're slippery little fellas. So that's when I was overjoyed to discover the oxo tot bowls.

These oxo tot bowls have three great features:

They have rubber bottoms. No more slipping and sliding.
They come with lids, that kids can put on and take off themselves. Kids didn't finish their meal, and it's something they'll eat later? Pop the lid on, put it in the fridge, and you're done. No need to transfer into another bowl. Also great for packing snacks in lunches.
BPA, phthalate and PVC free as well as top-rack dishwasher safe

I'm not the only fan of these bowls making my life easier, and helping with making my kids better independent eaters, check out Cricket Circle's recommendation of these bowls.