Another great product design
Kleenex has a feature called "SIGNAL" in their tissue boxes. When the box is about to run out, a tissue of a different color comes up to tell you to get a new box before it really runs out.
Kleenex has a feature called "SIGNAL" in their tissue boxes. When the box is about to run out, a tissue of a different color comes up to tell you to get a new box before it really runs out.