Urine Free eliminates urine smells and stains permanently. It is the perfect remedy for urine created by pets and humans at home and anywhere else! The high-performance bio-enzymatic technology attacks the source of the problem- the uric crystals that normally dry up and cause urine smells to linger, even after the surface seems to be cleaned. Urine Free also works on vomit, blood, feces, grass and other organic stains. Urine Free is 100% safe for pets, children and the environment.