Due to different lighting effects and environments, display brightness settings, etc., the color of the actual item may be slightly different, please refer to the actual item. Regarding the size, please allow a difference of 1-3 cm due to manual measurement, thank you for your understanding! Red for 5-24mm thickness double glazed windows Yellow for 8-30mm thickness double glazed windows Please choose the appropriate version according to the thickness of the glass otherwise it may not work well.The magnet of this glass wiper is powerful please pay attention to your hand when use this cleaning tool. Feature: Multi-functional double sided glass cleaner wiper clean glass quickly and easy Stay in the room to clean inside and outside window at the same time 2 meters long safety anti-falling rope safe fall protection High-quality material strong and durable. Can be used for cleaning sliding doors glass windows car windows shower screens mirrors any glass surface How to use 1. Keep the safety rope in hand to prevent the glass rub falling from high altitude. 2. Turn the glass rub open. 3. Soaked in water to allow the sponge to absorb moisture. 4. Add a little cleaner to the fiber cloth. 5. Align the glass rub natural adsorption. 6. Start to wipe glass. Specification Name: Double Sided Glass Cleaner Material: Plastic Magnet Rubber Sponge reply you asAfter-sales: If you have any questions about our glass cleaner, window cleaner, please feel free to contact us, we will serve you within 24 hours!. This window cleaner wiper is made of high quality ABS material and natural latex magnet providing strong force.With built-in water storage sponge no need to add the water repeatedly. Double-side Glass Cleaner Wiper: Triangular shaped glass wiper with powerful internal magnet locking the two cleaning sides together provide you a comprehensive cleaning to any place.When you move one side the other one follows. Double side glass cleaner wiper easy to clean and use. The and cleaning cotton is durable to use more effective to clean glass.perfect for cleaning home window car window sliding door shower screen. Comes with 2m long safe anti-falling rope when you use this glass cleaner the rope will be tied to your hand never falling down provide you a stable and safe cleaning experience.