If you work with someone like Dwight, I'll assume you're a drinker.
The NBC.com store has these new shotglasses for you to pick up. You can buy one for $5 HERE, or you can get a set of four for $18 HERE.
If you're partaking of something a little tamer, you could always go with the Dunder Mifflin coffee sleeve for $8 HERE.
Whichever drink you fancy, your beverages will be decked out in style!