Tonyin Magic Nano Sponge 3G is a high-quality sponge that is designed to remove tough stains and dirt from various surfaces. The sponge is made of innovative Nano Super eraser technology that consists of small and large pores. It is easy to use and can be applied with circular motions without pressing too hard. The sponge is of premium quality, has a harder structure than others, and is 11 x 7 cm in size. It is recommended to wipe the surface with a damp cloth before use.