Drinking a lot is healthy, keeps you fit and increases your productivity. In our busy workday life we often tend to forget to drink enough. Not least because the transport of conventional PET bottles is problematical. In the majority of cases it is difficult to press them besides laptop and documents into common bags. This new concept of Reflecting waters PET deposit bottles designed by Tatjana Rolle which presents another option. By its wedge profile it perfectly joins the contents of your bag and is therefore well transportable. The advantage of the exceptional format is its stackability hence it is well storable.