Material: ABS engineering plastic, natural rubber, neodymium iron boron magnet. Size: 4.5" * 2.8" *4" (11.5cm * 7cm * 10.2cm). Double-side Magnetic Glass Cleaner Wiper: Plane shaped magnetic glass wiper, with powerful internal magnet locking the two cleaning sides together,provide you a comprehensive cleaning to any place. Unique Modern Design: Stay in the room to cleans Inside and Outside window at the same time because of the magnetic design.When you move one side, the other one follows. This Magnetic Glass Cleaner Wiper is suitable for m Absorbent cotton cloth, no watermark, can be replaced at any time, not easy to damage the glass surface, so you can use it more assured.onolayer glazed windows 3-8mm thickness, perfect for cleaning home window, car window, fish tanks, sliding door, shower screen, or any 3-8mm monolayer glass surface.