High efficiency: The double-sided glass cleaner is the best helper for cleaning double-bottomed glass. You can clean 15-24 mm glass faster and more efficiently. Thanks to the robust double-sided magnetic design, this window cleaning cloth can clean windows without the risk of standing on the windowsill. Triangular design: The appearance of the window cleaner has a triangular design (less friction resistance), flexible movement, effortless. The glass wiper has a built-in water sponge that does not need to be repeatedly watered and soaked, making it more convenient to use. Product content: Product size: 16 x 12.5 x 8 cm. When using this window cleaning cloth, be sure to tie the 2 m long safety rope attached to your hand to prevent accidental disconnection and provide you with a stable cleaning and safety experience. Magnetic insulation bracket, intimate clamp protection to ensure your safety. High-quality materials: This magnetic window cleaner is made of high-quality ABS materials and natural rubber (wiper blade). It has strong magnetic properties and is non-toxic and harmless. The brush is soft, wear-resistant, corrosion-resistant and durable. The upgraded version of the absorbent cotton fabric can be replaced at any time. This means that the window cleaning effect is better. The double-sided magnetic window brush has strong magnets, which poses a danger if used incorrectly. Read the manual first. Keep out of reach of children. Since the glass cleaning brush contains many small parts, it is more complicated to handle and disassemble. Read the product manual carefully before use. If you have any questions during use, please let us know or you can also watch videos on YouTube. Glass cleaning tool, suitable for cleaning single glass panes with a thickness of 10-20 mm. Choose the appropriate version according to the thickness of the glass. We recommend using glass cleaning water when using this product. This leads to a better result. Tips: Thank you for your interest in double-sided magnetic brushes. Double-sided magnetic window brushes are professionally designed for cleaning glass. They are suitable for cleaning both sides of 10-20 mm thick single glass simultaneously, not for double glass.