Erasable Functionality: Each pen in this set features a thermo-sensitive gel ink formula that disappears with erasing friction. Ideal for drafting, sketching, or any task that might require a do-over, ensuring your work always looks its . Refillable Design: Sustainability meets style with these refillable gel pens. Save money and reduce waste by simply replacing the ink instead of buying a whole pen. Each pen is designed for long-term use, making it a for environmentally conscious consumers. Collection: The Boo Crew series offers a playful and spooky twist to your writing inst ents. These pens are not only functional but also collectible, making them a great gift for enthusiasts and collectors alike. Don't miss out on this set that combines fun and functionality. Color: As Shown Material: plastic Package Contents: 3*erasable gel pens Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.