Simple Solution Cat Stain & Odor Remover is specifically formulated to eliminate tough cat odors and stains. Cat Stain and Odor Remover has a unique formula that contains Pro-Bacteria and enzymes (specific to pet messes) that breaks down organic residue, permanently eliminates stains and odors, and discourages cats from repeat marking the area. It removes urine, feces and vomit from carpet, upholstery or other water-safe surfaces in your home. And, it's safe to use around children and pets when used as directed.