Posted by a reviewer on Amazon

As others with this grinder the static electricity would make grinds fly

Posted by a reviewer on Amazon

These have been put in the washer hundreds of times and held up without rusting

Posted by a reviewer on Amazon

After they come out of the wash we give them a shake to get rid of any water caught under the rim — i do agree that this is a design flaw

Posted by a reviewer on Amazon

I wish they were not made in china but at least their website says they test them for toxins in the us

Posted by a reviewer on Amazon

I think the only downfall will be that metal dissipates heat quickly causing a cold beer to get warm quickly but if that is a major concern spend a little more money and get the double wall version

Posted by a reviewer on Amazon

The rolled over lip is not sealed so it often catches some liquid and causes drips

Posted by a reviewer on Amazon

Quality cups that have been put through the washer numerous times