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Dual highlighter / Industry design

Dual highlighter

Most of the existing highlighters can hold only one color in the pen's body. Therefore, if you want to use different colors while highlighting, you must purchase more than two highlighters. Another inconvenience is that when you're working, you have to constantly open and close the cap.


sangmyung university

sangmyung university
CHEONAN, South Korea

seol dong ha,
sangmyung university

park Song-i ,
sangmyung university

chu Seul gi ,
sangmyung university