Established in 1887, the Mitsubishi Pencil Company produces innovative products of exceptional quality. Uni-ball pens are high-quality writing instruments that set themselves apart by delivering superior performance, excellent design and continual product.  Virtually all of their normal writing pens feature waterproof and fade-resistant pigment ink and are highly resistant to tampering or accidental spillages. The rollerball pens are renowned for smooth writing, elegant design and high quality ink. Uni-ball are innovators; their new Air range is like nothing else on the market – a roller pen that writes like a fountain pen – without the mess.