For 3-8mm single pane glazing: Magnetic Window Cleaner is effective on single glazed glazing 3-8mm thick. Please measure the thickness of the glass before purchasing. Double-sided cleaning: Double-sided magnetic glass cleaner adopts powerful double-sided magnetic design, which can clean both sides of the glass at the same time, with faster cleaning speed, higher efficiency and less danger. Triangular design: Triangular design, low friction resistance, built-in sponge, flexible rotation. It can clean narrow window areas without dead spots. Material: Magnetic Window Cleaning Cloth is made of high quality ABS material, natural latex and magnet, with strong magnetic properties, soft and wear-resistant. Fall prevention with safety rope: Equipped with a 1m long safety rope, the rope will be tied to your hand when using this window cleaner to prevent accidental falling. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Dadangjia