【Material】The magnetic marker holder is durable, environmentally friendly, and odorless. It is safer and more durable to use. 【Strong Magnetism】The whiteboard pen holder with a strong anisotropic magnetic plate on the back of the pen holder. The good magnetism allows it to be perfectly attached to any metal surface and does not easily slip off. 【Large Storage】The magnetic pen holder has a large storage capacity to fit 12 regular dry-erase markers when the compartment dividers are removed. Three pairs of compartments, you can decide how you want to divide the compartment. 【Removable Divider】The pen holder is designed with a removable divider and three compartments to be flexible. You can adjust the divider at any time according to your needs. 【Wide Application】The magnetic pen holder with eraser is suitable for offices, schools, homes, factories, and other places and can be used on any flat metal surface such as refrigerators, whiteboards, storage cabinets, office cabinets, etc.