2 Packs Black Magnetic Marker Holder for Whiteboards / Fridge Refrigerator, Pen Dry Erase Tray with Anisotropic Magnet Backing

Extra Strong Anisotropic Magnet Backing, compared to isotropic magnet, the anisotropic magnet with higher magnetic properties. With Extra Strong Anisotropic Magnet Pad, can be attached to any magnetic surface without falling. Made of high-quality hard plastic, non-toxic, durable and long-lasting. Intimate design, you can adjust the space of the compartment as needed by moving the partition. Widely applicable to magnetic whiteboards, refrigerator, locker, office cabinet. Sticks to any flat metal surface.