Powerful Magnet - Thanks to its powerful magnet, this magnetic pen holder adheres firmly to whiteboards, refrigerators, and all metal surfaces, preventing it from slipping or falling, making it easy to access your items. Please note, however, that it only works on metal surfaces and not on glass or plastic. Environmentally Friendly Materials - Our magnetic pen holders are made of high-quality ABS material and a magnetic backing, making them durable, lightweight, and reliable for long-term use. They are environmentally friendly, non-toxic, odorless, and safe to use. As an office decoration, it adds neatness and elegance to your workspace. Flexible Magnetic Pen Holder - This four-piece pen holder set allows you to categorize and organize your items according to your preferences. The flexible placement of the pen holders maximizes space-saving and blends into any office decor style, while elegantly solving the problem of lost pens. Versatile - This magnetic whiteboard pen holder is perfect for storing markers, pens, scissors, keys, thumbtacks, magnets, or other office supplies for home or office use. It also works perfectly on whiteboards, refrigerators, cabinets, wardrobes, and various containers. Keep your items always organized! A Helpful Organizer – these pen holders offer excellent storage, effectively organizing scattered pens and other tools without taking up valuable desk space. Packaging and Dimensions – 4 magnetic pen holders, measuring 12 cm × 5.6 cm × 2.6 cm. (Note: Pen holders only; pens, correction tape, and scissors are not included.)