Efficient Double-Sided Cleaning: Stay safe indoors while cleaning both sides of your windows effortlessly. The powerful magnets ensure a secure connection, allowing you to clean the outer surface without risking a fall. Enjoy streak-free, crystal-clear windows with minimal effort, even on high-rise buildings.Window Cleaner with Water Storage Space: Our window cleaner features an additional water storage design to keep the sponge moist, ensuring smooth sliding and thorough cleaning. Easily replace sponges and rubber strips to create long-lasting and effective cleaning tools.All-Around Cleaning with Triangular Design: The innovative triangular design reaches every corner, leaving no spot untouched. The reduced friction makes cleaning easier on your hands, while the squeegee and sponges provide a comprehensive clean. Ideal for high-rise and hard-to-reach windows, ensuring every inch shines.Strong magnetic force (suitable for glass with a thickness of 0.65 inches to 1 inch): This window cleaner has been tested and has strong magnetic force, making it suitable for cleaning double-layer glass in most households.How to Use: Separate the two sides of window cleaner and immerse the sponge in water with detergent. Put the safety thread on your wrist. Open the window, fix half of the wiper on the outer window with an anti-drop rope, and install the other half of the wiper in the window. Move the wiper inside and start cleaning both sides.