Specification: Material: neodymium iron boron+ plastic Color: Blue?red Size:16*13*5.5cm This window cleaning brush is suitable for 4-30/32mm thickness window. Packing list: 1 * Magnetic Window Cleaner 1.?5 levels adjustable Double-side Magnetic Window Cleaner Make You Safer?: Designed with triangular shape design(with smaller frictional resistance), flexible rotation, making your hands acid-free and labor-saving. Powerful internal magnet locking the two cleaning sides together, making it wipe to the narrow area and clean without dead corners. 2.?Unique Modern Design?Triangular shaped magnetic glass cleaner,can wipe to the narrow area on the window and clean without dead corners.The built-in water storage sponge can be used for a long time, avoiding repeated water replenishment and easy to use.And the cleaning cotton,cleaning wiper and fixed buckle can be replaced. 3.?More Safer Anti-falling Rope? Magnet window cleaner comes with long safe anti-falling rope. when you use it, the rope will be tied to your hand, never falling down. You can clean the outside by standing in the room and wipe the glass more securely. 4.?Anti-pinch Separator?For thicker or double-layer or vacuum glass, strong magnetic force is required, so please use this magnetic glass wiper correctly. Hold the handle of window cleaner, and rotate the two sides of the window cleaner by 90 degree. Please pay attention to your hand when you close or take apart them. 5.?Enlarge Sponge Cleaning Area To Increase Cleaning Efficiency?: This double sided magnetic window cleaner have 6 large sponges with water storage, no need to add the water repeatedly, more convenient to use. 6 large sponges cleaning areas increase cleaning efficiency by more than 60% compared to other glass wipes, more effective to clean glass. Upgrade absorbent sponges cloth can be replaced at any time(Rotate the buckle 90 degrees to remove it), leaving a no-trace cleaning.