Emery sponge, matte design ,easy to remove all kinds of rust pot coke and other stubborn stains, wet and dry, is a good helper for cleaning stubborn stains!! Inner layer is a high density sponge!! Super rapid and effective decontamination! BRUSH is made of high-quality material!!The cleaning sponge inner layer is a high density sponge, the outer layer of nano emery process, good flexibility, rapid and effective decontamination!! High Anti-Tearing strength! Easily clean up rust and oil stain on pot bottom to become newer than before!! The outer layer is nano emery material, good flexibility, rapid and effective decontamination! Multi-purpose long-lasting washing brush!! Knife sharpening functioning!! Perfect use for kitchen, bathroom, garage or outdoor! PP plastics materials smoothen & polish handles!! Reduces the stress of your toughest cleaning challenges!! Super skin-friendly !! Reduce force required!! Protect your hand from exhaustion & damage by long duration of cleaning!