3-in-1 Design: These whiteboard markers are designed with magnets and erasers, allowing you to easily and effectively remove writing/drawing.The fine tip marker (1-2mm) glides smoothly on most smooth surfaces like whiteboards, providing clear and consistent lines.These erasable whiteboard markers can also be attached to whiteboards, refrigerators, or metal surfaces for easy access and storage.Widely Used: This set of 20 classic whiteboard markers features high-pigment ink that is bright and vibrant, visible even from a distance.These dry erase markers can be used on various surfaces such as whiteboards, blackboards, windows, bistros, glass, porcelain, etc.Ideal for schools and offices.Easy to Erase: The whiteboard markers with eraser design and magnets allow the marker to stick to the whiteboard surface.They can also be placed directly on the refrigerator, so they are never lost. Each whiteboard marker contains a small eraser for easy cleaning, helping to keep your board clean, save space, and remove writing marks.High Quality: These dry erase markers and erasers use a unique ink formula that is non-toxic, low odor, and harmless.They dry quickly after writing, with no ink leakage or smudging. This whiteboard marker and eraser set is great for everything from household schedules and chores to home office notes, classroom learning, or business presentations.Washable Pen Size: 11.3 * 1 cm, 20 wipeable pens, sufficient quantity for you to use and replace conveniently.