Zebra Clickart WS Pen Water-Based Cartridge, Black, 10-Pack, B-P-RWS-BK

[Clickart] No cap, doesn't dry out, beautiful colors. [Features] ① The pen tip won't dry out even without a cap. ② Even when layering colors over black, it colors cleanly without bleeding. [Design] ① A design that is easy for women of all ages to use. ② Clip-less design that doesn't take up much space in a pencil case. [New technology for Clickart] Features "MostKeep Ink," a new ink that absorbs moisture from the air. [Number of cartridges per pack] 10