Product 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. Specification: Material: Plastic + Magnet + Rubber + Sponge Size: Approx. 13.5*16*6cm Glass Thickness: for blue p3-8mmblue15-26mmRed 7-15mmPlease confirm the corresponding relevant size Package content: 1*glass cleaner+1*anti-drop rope 1.Single /Double-sided Magnetic Window CleanerTriangular shaped magnetic glass wiper, with powerful internal magnet locking the 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.Glazed Windows ThicknessMagnetic glass cleaner wiper p3-8mm is only for Single glazed windows 3-8mm thickness; 7-15mm is only for Single-sided thickening glazed windows 7-15mm thickness15-26mm is only for double-sided glazed windows 15-26mm thickness.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 QualityThis magnetic window cleaner wiper is made of high quality ABS 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 inside cleaning cotton is replaceable, durable window cleaning tool. 4.Anti-falling RopeWindow Cleaner Wiper comes with long safe anti-falling rope, when you use this magnetic glass cleaner, the rope will be tied to your hand, never falling down, provide you a stable and safe cleaning experience. 5.The sponge wiper can be replaced: The sponge wiper can be replaced at any time, and it is not easy to damage the glass surface. The cleaning cotton can be removed by rotating the bayonet 90 for easy cleaning.