Material: ABS engineering plastic, environmentally friendly silicone. Size: 163 138 75mm Features: 1. Double-layer dedicated, super strong magnetic, engineering plastics. 2. Safety rope cover, fall protection, 2m safety rope design, will be placed on the wrist to clean the operation 3. With super strong magnetic force, strong and durable, long-term use of magnetic force will not weaken 4. ABS advanced engineering plastics can replace metal and have high strength, modulus and toughness, and have a long service life. 5. Made of high quality rubber, durable and clean glass. 6. Ergonomic design, comfortable handle, triangular appearance, more flexible movement, no blind corners Feel free to ask our customer service any questions you may have.Easy to clean: Clean the outside of the window in your room. Magnetic double-sided window cleaners are fast and efficient. The glass wiper has a triangular design, flexible rotation, no dead angle cleaning, double-sided magnetic glass cleaning wiper, easy to clean and use. It has powerful double-sided magnetism and is equipped with a 2 meter long safety rope. When you use this magnetic glass cleaner, the rope will be attached to your hand and never fall, providing you with stability and safety. The clean double design allows you to clean the windows without having to risk standing by the window. Double-sided magnetic design, faster cleaning, higher efficiency, strong detergency, quick cleaning of the glass surface, twice the effort to get twice the effect. Window cleaning brush is made of ABS engineering plastic rubber glue neodymium iron boron magnet, strong magnetic, non-toxic and harmless, wear-resistant, corrosion-resistant and durable.