Urine Gone effectively removes new or old stains and odors from carpets, mattresses, furniture. Urine Gone works just about any washable surface or fabric! Just darken the room and use the included Urine Gone ''stain detector'' black light to show urine messes. Spray Urine Gone on and let it dry. Urine Gone''s enzyme action immediately goes to work. Making stains and odors disappear, Urine Gone keeps pets from re-marking their territory. Clean and deodorize with Urine Gone. Urine Gone makes odors go away. Urine Gone isn''t only for pet messes! Use Urine Gone in the bathroom too! Kit contains a 24-ounce spray bottle or Urine Gone and a stain finding black light Removes pets and people messes Enzyme action gets to the source of the odor - eliminating it for good and keeping pets from soiling same spot again Works on almost any surface - inside and out - from carpet to upholstery and more.