Tea in a pocket / Packaging Design

"'Tea in a pocket" combines the tea bag with the cup,besides,
with the retractable features of organ,which make you put
the tea in your pocket so that you can enjoy the fragrance
of tea all the time. ‘Tea in a pocket' is designed with folding
structure,so it has a small volume which is very easy for storing
and carrying. when you use it ,it can stretch to change the capacity
of the cup with the amount of the tea people drink .