Having a bad day at work or even worse, you just don't feel like going in but you know must, then Mood Mugs is perfect for you! This product is hilariously fun because it will inform your co-workers of your current mood without them even having to ask. Whether you're exhausted, upset or just plain ol' tired a Mood Mug is available to express that emotion. And it's not just for the office either, this is a perfect gift for father's day or that hard working mother. Young children are great at understanding facial expressions so let the Mood Mug express how you're feeling after either a great night's sleep or not enough.