Product Description【3-in-1 Design】: The whiteboard pens are designed with magnets, allowing you to easily and efficiently erase writing/drawing. The fine-tip marker (1-2 mm) rolls smoothly on most smooth surfaces, such as whiteboards. Smooth and clear. Erasable whiteboard markers can also be attached to whiteboards, refrigerators, or metal surfaces, very easy to use and store.【Widely Used】: Set of 20 classic whiteboard pens, the highly pigmented ink is bright and vibrant, and can be seen clearly even from a distance. Dry-erase whiteboard pens can be used in various ways, such as whiteboards, blackboards, windows, bistros, glass, porcelain, etc. Dry-erase pens are ideal for schools and offices.【Easy to Wipe Off】: The whiteboard pens with eraser design with magnets help the whiteboard marker stick to the whiteboard surface. It also allows the chalk markers to sit right on the refrigerator and never get lost. The medallion on black whiteboard pens contains a small rubber piece for easy cleaning, helps keep the whiteboard clean, saves space, and removes writing marks.【High Quality】: Dry-erase pens and erasers use the unique ink formula, non-toxic, low odor, harmless. Dries quickly after writing, no ink bleeding, no smudges on the page. Whiteboard pens and eraser set are good for everything from household plans and chores to home office announcements, classroom teaching, or business presentations.【Washable Pen Size】: 11.3 * 1 cm, 20 eraser pens, enough quantity for you to use and replace them conveniently.