great for toddlers so they don't make a mess when running around because it won't leak. perfect for them.

Munchkin sippy's are great for toddlers. I like that they do not leak and leave milk puddles all over the carpet like some sippy's do. They are very affordable.

These cups work perfectly. They do not leak at all

I grabbed a package of the "cheapy" click lock sippy cups the other day at Walmart for my 2 year old who we're having a hard time finding sippy cups he can't knock the stoppers out or they won't leak. Grabbed them off (as ALWAYS at our local Walmart) a hook with no price tag. Got to the register and forgot to even look at the price. We got home and I checked the receipt. 4 cups for $2.96! YES I SAID UNDER $1 PER CUP!!!
These have no stoppers in them at all. They are all hard plastic, the lids twist on until little plastic tabs (which I'm sure will wear off eventually) click with the knobs on the sides of the cup itself to tell you it's closed (LOVE THAT FEATURE!!!) and I kid you not THESE SUCKERS DO NOT LEAK!!!!!!!!!!!!!!!!!!!!!!!!!!!! Believe me when I tell you my rough and tough 2 year old has tossed them, kicked them, tipped them upside down and shook them and they didn't leak a drop!!!!!! Will recommend these, will buy many more of these and wish I'd had them for my previous 2 children! GREAT product and amazing price!!