It's world's first patented U-Spring technology realizes satisfyingly smooth writing performance without any interruption Patented U-spring technology Ultra smooth performance gel ink Satisfying smooth writhing performance Retractable Colors: Black, Red, Blue, Assorted (3 colors, 12 pens)
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
Colors: Black, Red, Blue, Assorted (3 colors, 12 pens)
Capacity : 1 Dozen (12pens)