Today’s invention is a new form of labeling for bottled content.
Rather than print on the outside of a glass or plastic bottle, all of the branding and information about contents would be printed on a flexible plastic device as shown.
This would sit or float on the material in the bottle, with the curved surface against the bottle wall, so that the message would be visible from outside.
The advantage would be that the same medicine or food substance could be sold in different, plain bottles, only changing the internal label each time by pushing it in through the neck.
Bottles could therefore be much more easily reused, for different purposes, without the costs of melting them down.
In addition, some extra interest in the products might be generated purely as a result of the novelty involved (labels could take the form of little boats, etc).