TIPS In order to maintain the magic sponge nano-structure, please do not rub the sponge vigorously.Stains can be removed by simply using water.It wears away like an eraser, so a magic eraser sponge can only be reused 3-5 times. Advantages of Magic Sponges Compared with traditional cleaning sponges, Nano Sponges rely on the nano-pore structure inside the sponge to automatically absorb stains on the surface of the object during the wiping process.Suitable for cleaning uneven and deep stubborn dirt, easy to take care of without leaving scratches. Note: Nano Sponge is different from the traditional sponge, it will be worn out during use (the same as the eraser), which is a normal phenomenon. It is recommended that you use it with caution in the following situations: Leather products Because the nano-sponge has a very strong adsorption capacity, it is best to wipe the leather products that are easy to fade in an inconspicuous place with a sponge first, and then use it on a large area without problems. For painted electronic product screens (such as computers, TVs, lenses, etc.) Using the eraser sponges to wipe off the coating will maybe affect the viewing effect, avoid wiping such screens as much as possible.