- VERSATILE ERASABLE REFILLS FOR ROLLERBALL & BALLPOINT PENS: This package includes 20 erasable refills, featuring a 0.5mm tip and measuring 11cm in length. Designed to fit most common erasable rollerball and ballpoint pens, they are perfect for quick corrections in daily writing tasks. - SMOOTH WRITING EXPERIENCE: Each refill contains high-quality erasable ink that flows seamlessly, providing a comfortable writing experience. The erasable technology allows for easy correction of mistakes without leaving marks or smudges, making them ideal for precise notes, sketches, or any creative projects. - ECO-FRIENDLY AND ECONOMICAL: Instead of discarding pens, simply refill them with these erasable cartridges. This not only saves you money but also supports sustainability by reducing plastic waste. The easy refill process minimizes unnecessary waste, making these refills a responsible choice for eco-conscious consumers. - SUITABLE FOR SCHOOL, OFFICE, AND HOME: These versatile refills are perfect for various settings, whether you're a student taking notes, a professional working on reports, or a parent managing household tasks. The ability to erase errors easily enhances productivity and ensures clarity in all your writing endeavors.