Environmental protection: It is made of environmentally friendly material melamine foam and does not contain chemical substances. Children can clean the scratches and crayon marks they draw. Easy to use: just moisten it with water, squeeze and wipe, and the product that needs to be cleaned will look like new! After each use, do not rub it, just soak the nanosponge in water, the water molecules will enter the nanoporous structure and the dirt in the hole will come out automatically. Multifunctional cleaning products: very suitable for stubborn stains in the kitchen, oil stains on ceramic cookware, burnt stains on glass stoves and ovens. It is also very suitable for wall cleaners, bathrooms, doors, floors, shoes, sinks, etc. Wipe away permanent marks, grease and soap scum.