It is very easy to wipe your outer windows, with double-sided window wiping, you can wipe your windows without the risk of falling, thanks to its strong magnet without hanging out. attach the outer windshield wiper to your wrist with the rope so that the magnetic windshield wiper on the outside does not fall to the ground. if you want perfect glass cleaning in one go, you should definitely use a magnetic double-sided glass wiper. product features: wipe your glass inside and out with a single action. eliminates the risk of falling while wiping your glass. it does not tire you as it wipes the inside and outside of the glass at the same time, you will finish your work in a short time. it has 1 sponge. it is not suitable for double-layer insulated windows. package includes: 1 double-sided magnetic glass wiper. 1 spare sponge Improved version for clearer understanding and better search visibility. Suitable for users seeking detailed and reliable product information.