Powerful Magnets: Attaches securely to the metal without slipping or falling. Save space, stay . (Note: Only the holder, pen and eraser are NOT included in the package.) Adjustable Divider: Can be removed and placed at different slots to vary the compartment size. Enough storage capacity to hold 12 standard dry erase markers if you remove the divider. High Quality Material: Made of ABS material with magnetic back, marker holder fits into any office decor while elegantly putting an end to the hassle of lost pens. Versatile Applications: Holds a dry eraser, pencil, note and other office supplies, can be applied to many occasions, such as refrigerator, whiteboard, locker, cabinet, container and other magnetic surfaces, which is perfect for , school or office. Easy to Clean: The plastic magnetic whiteboard holder is waterproof. Rinse it with water and clean stray marks with a squirt of whiteboard marker cleaner. (Note: Not suitable for glass panels or other non-metal surfaces.) At School