1.Double-sided Magnetic Window Cleaner:Triangular shaped magnetic glass wiper, with powerful internal magnet locking the two cleaning sides together, provide you a comprehensive window cleaning inside outside. When you move one side, the other one follows.Wipe glass inside, clean two sides of window, especially convenient for high rise windows cleaning. 2.For Double Glazed Windows Thickness:This magnetic glass cleaner wiper is only for double glazed windows thickness, most high-rise home windows, or double glass surface. Note: glass in different thickness should be used on different magnetic glass wipers,otherwise it can not move or fall off the glass. Please choose the appropriate version according to the thickness of glass. 3.Premium Quality:This magnetic window cleaner wiper is made of high quality material and natural latex, magnet, providing strong magnetic force, with built-in water storage sponge to clean the glass. The magnet is not easy to demagnetize and the insidecleaning cotton is replaceable, durable window cleaning tool. quantity of delivery:1 piece (Package contents: Only the above package contents, excluding other products.) size:16*6*12cm (Reminder: The size is measured manually, please allow 1-2 cm measurement error) color:blue colors (Due to different monitors and lighting effects, the actual color of the item may be slightly different from the color shown on the picture.) Products from WUZHOU's store