1.EASY TO CLEAN: It can easily wipe the corners, magnet locking the two cleaning sides together, When you move one side, the other one follows. you can adjust the strength of the magnetic force to suit the thickness of the glass, If the attraction is not enough, you can turn the knob to adjust the magnetic force until the two magnets are attracted closely, but can easily move on the glass. 2.UNIQUE DESIGN: If you feel that the two magnets are too attractive to move on the glass, you need to rotate the inner magnet to the right until the two magnets are separated. At this time, the magnetism will return to the minimum, and then turn the adjustment knob again to adjust the magnetic force. 3.MULTIPURPOSE: It can be used to clean windows, fish tanks, skylights, patio doors, bedroom windows and even shower screens, mirror and tiles. 4.ENVIRONMENTAL FRIENDLY: plastic material, practical, solid, anti-drop and durable.This Magnetic Glass Cleaner Wiper is effective for High-rise building glass cleaning, such as high-rise villa window cleaning, high-end office buildings, hotel window cleaning, school classroom glass cleaning. 5. GOOD CUSTOMER SERVICE : We're so confident that you'll get help from this product, If you have any any dissatisfaction, please feel free to to return or exchange, we will solve your problem within 24 hours, please feel free to buy, thank you for your purchase, wish you happy shopping and happy life. Best choose glass wiper that exceeds its magnetic range according to the thickness of the glass! How to use it? 1. Separate the two sides of wiper from each side 2. Dip the spong in the water with detergent. 3. Put the security rope on the wrist. 4. Open window and attach the half wiper (with safe rope) on outside window, attach the other half (with handle) inside window. 5. Move inside of wiper, start to clean window both sides. 6. If the attraction is not enough, turn the knob to adjust the magnetic force. 7. If wiper are too attractive to move on the glass, rotate the inner magnet to the right until the two magnets are separated, and adjustment magnetic force again Due to the magnetic design, one side is indoor and the other side is outdoors, so that indoor and outdoor cleaning can be performed simultaneously. Plastic Window Glass Cleaning Tool very suitable for home windows, greenhouses, car windows, greenhouses, etc. It is very practical, strong, drop-proof, durable, long-lasting, and can be used for a long time. Double Side Home Window Glass Cleaning Tool will become your little assistant in your life. Best choose glass wiper that exceeds its magnetic range according to the thickness of the glass! How to use it? 1. Separate the two sides of wiper from each side 2. Dip the spong in the water with detergent. 3. Put the security rope on the wrist. 4. Open window and attach the half wiper (with safe rope) on outside window, attach the other half (with handle) inside window. 5. Move inside of wiper, start to clean window both sides. 6. If the attraction is not enough, turn the knob to adjust the magnetic force. 7. If wiper are too attractive to move on the glass, rotate the inner magnet to the right until the two magnets are separated, and adjustment magnetic force again Due to the magnetic design, one side is indoor and the other side is outdoors, so that indoor and outdoor cleaning can be performed simultaneously. Plastic Window Glass Cleaning Tool very suitable for home windows, greenhouses, car windows, greenhouses, etc. It is very practical, strong, drop-proof, durable, long-lasting, and can be used for a long time. Double Side Home Window Glass Cleaning Tool will become your little assistant in your life. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.