Unconditionally guaranteed to remove urine stains and odors from both dogs and cats. The completely natural enzymes convert odors into harmless substances. Also can be used to remove perspiration, mildew and smoke odors from clothing, furniture and vehicles. Less water and more enzymatic action make the cat formulation perfect for the removal of odors and stains caused by cat spray, urine, vomit and feces. If you are not completely satisfied, mail receipt to the manufacturer and they will refund your money. No questions asked.