For cleaning pots pans and fittings made of stainless steel surfaces of glass ceramic porcelain bicycle spokes and more the copper fiber helps to remove heavy soiling thereby protecting the metal the well sorted cleaning kit is ideal for pans pots fittings and utensils made of stainless steel as well as surfaces made of glass ceramic the 2 in 1 microfiber cloth is specially designed for gentle cleaning and streak free re polishing features leaves a great finish without scratches r