Product Description 【3-in-1 Design】: The whiteboard pen has a magnet, allowing you to easily and efficiently erase what you have written or drawn. The fine tip (1-2 mm) rolls smoothly on most smooth surfaces like whiteboards. Smooth and clear. The whiteboard pen with eraser can also be attached to whiteboards, refrigerators, and metal surfaces, making it very easy to use and store. 【Wide Range of Uses】: A set of 20 classic whiteboard pens. The highly pigmented ink is bright and vibrant, clearly visible even from a distance. The dry-erase whiteboard pen can be used in a variety of ways, including on whiteboards, blackboards, windows, bistros, glass, porcelain, etc. The whiteboard pen is perfect for school and office. 【Easy to Wipe Off】: The whiteboard pen with eraser has a magnet, which helps you attach the whiteboard pen to the surface of a whiteboard. You can also place the chalk pen directly on the refrigerator to prevent it from being rubbed off. The black whiteboard pen's medallion has a small, easy-to-clean eraser, which helps keep your whiteboard clean, save space, and erase writing marks. 【High Quality】: The dry-erase pen and eraser use a unique ink formula that is non-toxic, odorless, and harmless. It dries immediately after writing and leaves no ink stains or marks on the page. This set of whiteboard pen and eraser is suitable for a wide range of uses, from household schedules and chores to home office messages, classroom learning, and business presentations. 【Double-Ended Pen Size】: 11.3 * 1 cm, includes 20 erasers for convenient use and replacement.