Magnets on two halves quite well attracted can be seen there are neodymium magnets in action did not try but I think it will be all good
On the thickness of the glass for which the brush is designed keeps perfectly. I fell a couple of times, but the rope holds, so it's not scary. Corners do not rinse it, it's a fact, but you can use it quickly on those schemes that are in the instruction. The main thing is to add more means/water. Plastic part, where the magnet was sewn from, apparently, dirt and scratches on the window. I plan to glue something thin and soft there. The "sponge" itself also lost most of itself, after the first washing of the windows, it will be necessary to replace them every new time.