Sign up for an Award
Participate with your entry in one of our professional or student awards.
Sign up for an awardLearn more:
Unsupported browser
You are using an outdated browser. Please upgrade your browser to improve your experience.
Unsupported browser
You are using an outdated browser. Please upgrade your browser to improve your experience.
< That can filter all a double cup by itself >
The product improve an uncomfortable point when drinking lemonade, coffee and tea.
If you just close by turning the small cup vacated hole to put such as water and lemon or coffee or tea in large cup on which were placed in a large cup , it is easy -to-use products as general cup.
Hyupsung University
incheon, South Korea
eunji kim,
Hyupsung university
