Mazi Keshi Magnetic Eraser - Kutsuwa Whiteboard Cleaner for Office, School & Home - Strong Magnetic Dust Remover for Dry Erase Boards & Glass Surfaces - Perfect for Classrooms, Meetings & Home Organization

A black eraser with ferrite (iron powder) that attracts and collects eraser residue.
When you remove the eraser cap, the built-in magnet at the bottom of the case will automatically lower, allowing you to collect the eraser shavings. When you put on the cap, the shavings fall and are stored inside the cap.

Size: H60 × W26 × D15 mm