Make schoolwork easier with the Uni-Ball 0.5mm Eye Micro Blue Roller Pen, Pack of 3. Water-resistant pigment ink prevents smearing, making it a great choice for tests, notes, and creative projects. The perfect comfort grip gives a firm hold during long writing hours, and the special leakproof cap keeps bags nice and clean. There is an ink level window for children to keep an eye on ink levels, so they never have to face the problem of running out of ink. For decades, uni-ball has been a trusted name in writing instruments. Order now!