With sponge inside! Never rusts. Sponge helps hold soap longer! Sponge center keeps shape after each use. Features: 100% pure copper - not copper coated, will never rust. Absorbent sponge inside copper mesh helps the dish soap last longer in use. Highly abrasive and durable scrubbers quickly remove that baked on mess. For use on: Copper pots & pans, aluminum cookware, oven racks, grills. Best when used with Dawn Dishwashing Liquid. Made in Mexico.