no more and no less, and sitting down at your desk 90 minutes later to find it still at the perfect temperature. The Tumbler, like everything else Ember makes, is a silly guilty pleasure of a device.

The release of the new Ember Travel Mug 2 and the Ember Mug 2 is good news for procrastinating caffeine drinkers. No doubt you’ve let more than a few cups of coffee or tea go cold. With the ...