I have two boxes black and blue ink and most of the pens do not work. I have never had this issue before so must have gotten duds. Hope they can be replaced.
Don't get me wrong I love the Staples Postscript retractable pens with the rubberized outside. I have actually used them for years but they are not durable. I like the feel of the non-slip coating. I like the ridges cut into the lower end which help with control. I like the easily pressed button. I like the even flow of the ink in both blue and black. The problem is that they do not stay together. It may be a month this one was a week but invariably the threading on the upper portion where the rubberized section meets the plastic clicker fails and the pen refuses to remain whole. At one meeting the pen actually flew apart. I have switched the ends tip to tail and that lasts for a few weeks but then fails again. I have taped the treads or the outside but this only lasts for a little while. I am actually one of the few people who keep the same pen until the ink is gone and this makes these pens a huge waste of money.
I would recommend this pen. The fine point writes smoothly and the thin rubber creates a nice grip. Because it isn't a gel pen it does not bleed through thin paper.