Important reminder: 1. The glass wiper must move forward, do not move backward, and the moving speed is even. 2. Selection guide A. Magnetic force cannot be adjusted 3-8mm: used for the thinnest glass window, bathroom glass (preferably single layer 5mm glass) 15-30mm: used for single or double glass, the thickness must be greater than 10mm --- can be used for high-rise buildings B. Adjustable magnetic force 5-25mm: used for thick single-layer glass, the thickness must be less than 20mm-courtyard home 5-30mm: For single-layer or double-layer glass, the thickness must be less than 30mm-can be used for high-rise buildings 5-35mm: used for single or double glass, the thickness must be less than 35mm-can be used for high-rise buildings 10-40mm: For single-layer or double-layer or triple-layer glass. The thickness must be greater than 10mm but less than 40mm-can be used in high-rise buildings It is best to choose a glass wiper that exceeds its magnetic range according to the thickness of the glass! how to use1. Separate the two sides from both sides (there is an anti-pinch spacer between the two sides) 2. Immerse the sponge in water with detergent. 3. Put the safety rope on your wrist. 4. Open the window, install half of the wiper (with safety rope) on the outer window, and install the other half (with handle) in the window. 5. Move the glass wiper inside and start cleaning both sides of the window. package 1.1pc glass wiper 2. Replaceable cleaning cotton 24 3. Wiper blade 4 4. Fixed buckle 4 6. User manual 1 Feel free to ask our customer service any questions you may have.

It's made with ABS material, Natural Latex, NdFeB magnet of premium quality. it come with 2 set spare, very easy to change spare, you can use it at long time. It is effective for Single glazed windows 3-5mm thickness, perfect for home windows, car windows, greenhouse, .etc. Can be used for cleaning for windows, vehicle windows, sliding doors, shower screens, mirrors, any indoor glass surfaces. It comes with 2m long safe anti-falling rope, when use it, the rope will be tied to your hand, open window and attach the half wiper (with safe rope) on outside window, attach the other half (with handle) inside window, Prevents magnets falling to the ground to hurt pedestrians, provide you a stable and safe cleaning experience. The glass wiper must move forward, don't go back (when it continues in a certain direction, the magnetic force has reached the maximum, change the position of the two magnets, the magnetic force will have a process from strong to weak to strong) , and keep the moving speed is uniform. This magnetic glass wiper is effective for Single glazed windows 3-5mm (0.12"-0.2") thickness. best use for courtyard-style home use.It can easily wipe the corners, magnet locking the two cleaning sides together, When you move one side, the other one follows.