Self-stirring mugs are things of the past. If you want to have a really cool thermos cup get yourself a Vessyl. Not only does it look fantastic, the things it can do will shock you. This cup can actually count the calories in everything you drink. You might wonder why would you want that? Well, liquid calories are usually the ones that go unnoticed. You can tell that a burger has a lot of calories, but we never truly know how many calories there are in your starbucks coffee. For Vessyl no drink is too complicated. Now you’ll know exactly how much calories that double shot mocha frappuccino added to your daily intake.