Nature's Miracle Just for Cats Stain and Odor Remover is a go-to solution for cleaning any of your cat's messes. Hairballs, spraying, grass stains, vomit, blood, and any other cat-caused stains or odors are no match for our bio-enzymatic cleaning formula. Nature's Miracle Just for Cats Stain and Odor Remover works to eliminate organic stains and odors, features a light, clean scent, and may be used on cat caused stains and odors on carpets, hard surfaces, clothing, kennels, carriers, and litter boxes.