Clear the fear of making mistakes with the erasable gel pen of ties. Thanks to the thermosensitive black ink you can eliminate any errors with the simple clutch of the ball positioned at the end. The ball does not wear like normal tires, does not ruin the affected surface and erases perfectly. With a 0.7mm tip diameter, this cute pen is perfect for any type of use, at school, in the office and in your leisure. Smooth writing