Product Description: 【3-in-1 Design】: These whiteboard markers feature built-in magnets and erasers for convenient and effective writing/drawing removal. The fine-tipped marker (1-2mm) glides smoothly on most smooth surfaces like whiteboards, ensuring clear and precise lines. These markers can even be attached to whiteboards, refrigerators, or metal surfaces for easy access and storage. 【Wide Range of Uses】: This set includes 20 classic whiteboard markers with highly pigmented ink that is bright and vibrant, easily visible even from a distance. These markers can be used on various surfaces such as whiteboards, blackboards, windows, bistros, glass, and tableware. Ideal for schools and offices. 【Easy to Erase】: The whiteboard markers with eraser design and magnets allow the marker to stick to the whiteboard. They can also be placed directly on the refrigerator, ensuring they are never lost. The medallion on the black whiteboard markers contains a small eraser for easy cleaning, helping to keep your whiteboard clean, save space, and remove writing marks. 【High Quality】: These whiteboard markers and erasers use a unique ink formula that is non-toxic, low odor, and harmless. They dry quickly after writing, preventing ink bleeding and smudging. This set is perfect for everything from household schedules and chores to home office memos, classroom teaching, or business presentations. 【Washable Hand Size】: 11.3 * 1 cm, 20 eraser pens, enough for you to use and replace conveniently