Blue Permanent Marker Pen

1.This blue permanent marker pens comes with a unique push-button ink recovery system. This special system works to refill the drained or dried out ink to ensure the pen never runs out of ink.

2.The ink tank of each pen is made from visible plastic, making it easier for users to monitor the level of insufficient ink remaining in the pen. A refill warning is also issued when the ink runs low so you never run out unexpectedly.

3.The tip of each pen is made from a highly durable material so it will retain its shape even after prolonged use. The special design also prevents any form of smudging or smearing.

4.These blue pens are sure to last for a long time, offering users with reliable and long-lasting performance. Ideal for all kinds of drafts, notes, and other writing projects.