Posted by a reviewer on Amazon

The top is made of hard plastic which makes it seem like just one drop the wrong way would break it

Posted by a reviewer on Amazon

They are also only partly dishwasher safe

Posted by a reviewer on Amazon

Maybe i should have read the detail page better but i didnt realize its not machine washable

Posted by a reviewer on Amazon

The lock feature on this sucks

Posted by a reviewer on Amazon

I guess i wasnt careful enough to make sure it was locked properly

Posted by a reviewer on Amazon

My other complaint is that the handle a ribbon of fabric is a little small

Posted by a reviewer on Amazon

Ive already ran it through the dishwasher and nothing happened to it so that is a plus

Posted by a reviewer on Amazon

The opening is easy to chug water out of and the button you push has to be pushed slightly hard which is a good thing so that it doesnt open on its own and our out