Add a touch of personal expression to your work with uni-ball Vision Elite BLX Infusion rollerball pens. The unique BLX Infusion series features black ink with a hint of color. Perfect for business travelers, Vision Elite roller pens also have a unique leak-free design that’s not affected by changes in a plane’s cabin pressure. uni-ball Vision Elite pens feature uni Super Ink which helps protect against water, fading and fraud. The specially formulated pigment based ink contains particles that form an indelible bond in paper- it can’t be. Experience color like never before with uni-ball Vision Elite BLX Infusion rollerball pens.