The people at Bender Bound, Inc. used to be attorneys at a big law firm, so they understand the importance of at-work refreshment. They alter thick professional books that will never be opened -- until you need a drink. Although their product range originally focused on law books, they've branched out into a variety of categories listed on their page, including this one:
You're better off with a flask from the NeatoShop.
Link -via Lowering the Bar