Powerful clean: It easily cuts through grease and burnt-on food, leaving your pots, pans and overnight dishes spotless Multi-purpose: The sponge is ideal for cast-iron pots, pans, stove burners, garden tools and grills This high-performance scrub sponge may scratch delicate surfaces, so it should not be used on non-stick appliances, glass, or other fragile surfaces. For these, we recommend Scotch-Brite Delicate Scrub Sponge. A box contains 20 sponges. In respect of the environment sponges come without individual packaging