Brand - Dong-A
Ink Color - Black & Blue 
Colour - Black & Blue
Point Type - Medium 
Special Feature - Retractable, Refillable
It's world's first patented U-Spring technology realizes satisfyingly smooth writing performance without any interruption
Patented U-spring technology, Retractable
Ultra smooth performance gel ink, Satisfying smooth writhing performance
Available in Gel Ink Colors: Black, Blue, Black-Blue
Made in Korea