Simple Green Cat Stain & Odor Remover permanently eliminates tough stains and unpleasant odors from cat urine, feces, vomit, scent markings, dirt, blood and more. Use it on both hard and soft surfaces such as carpets, rugs, pet bedding, upholstery, clothing, curtains, auto upholstery, litter boxes, crates and carriers, tile, finished wood, laminates, concrete and more. This formula contains safe bacteria that penetrates surfaces to break down and digest soils. Simple Green Cat can be used as a spot cleaner, in carpet cleaning machines and as a laundry pre-treat on new, old and set-in stains. The stain and odor remover discourages revisiting and remarking and leaves behind a pleasant, fresh scent.