Specifications:Name: Black Dirt Cleaner for Pot BottomCapacity: 150mlApplication: Stainless steel cookware, pot black cleaning, oven, ceramic cookware, grillNote: Forbidden to use on zinc/aluminum alloyUsing method:1.Apply the cleaner evenly on the black scale or burn marks.2.Apply a layer of paper towel, apply the cleaner again and wrap the cookware completely with plastic wrap.3.After 12-24 hours, peel off the plastic wrap and paper towel, and wipe with hot water using a cleaning cloth.4.For heavy burn marks, you need to repeat the above steps twice.Product Includes:2PCS x Rust Remover Kitchen All-Purpose Cleaning Gel1 pair of gloves2pcs sponges