uni-ball Air UBA188M 0.5mm Roller Ball Pen | Waterproof Bold Ink | Water & Fade Resistant | Long Lasting Smudge Free Ink | School and Office stationery | 3 Blue & 3 Black Ink, Pack of 6

Since 1887, Mitsubishi Pencil Co. Ltd. has worked to improve the quality of its products and enhance its technologies, under its motto of “The finest Quality is the best Service”. Hence building our position as a leading manufacturer of writing instruments. Products developed through technical expertise accumulated over the years include “uni-ball” water based ink roller balls with metal tips that dominate the world market.