Can you write it? Cant write? Dry erase markers that can be seen at a glance.
Board Marker Notification Sensor Refill Ink With a window on the main body, you can see the end of using it at a glance, so you can eliminate the complaints of dry erase markers.
Clearly know when to change The new ink has been developed to ensure stable erasability.
Just like a straight liquid type, you can write with it firmly and vividly, and you can use it to suit your needs. Easy to refillable cartridges.