ANTIGRAFFIO (Italian) - no scratches. Kitchen sponges for cleaning delicate dish with a Teflon-coated and stainless steel, glass and plastic ware. Waterproof foam layer with large pores provides better foaming detergent quickly and easily washes off. Heavy duty thick (13mm) rough sponge layer (fiber) is made without abrasive particles, effectively cleans the surface without even Heavily damage, durable