Professional window cleaners: our window cleaners are of high quality and designed to clean double glazed windows from 15 to 24 mm thick, thanks to their powerful internal magnet, you can clean both sides of the window simultaneously window. Please do not use this product with recommended thinner or thicker lenses. Remember that abuse is your responsibility.Easy to use: first connect the safety cord to the outer part of the window cleaner, twist one of the parts for the open, Dip it in water to moisten the sponge, add window cleaner or soap to the sponge, close both sides, ready to use, comfortable and simple for perfect cleaning. Guaranteed functionality and safety: thanks to its safety cord, it ensures that the magnets that pass through the outer window do not fall out (when the cord is almost closed, let the cord pass through the window to clean the corners) and you can clean both parts of the window at the same time, easy and quick to use.