UrineOFF brand goods are produced in USA by Bio-Pro Research LLC and been officially patented as an invention. The remedy employs the unique bio-enzymatic technology of friendly bacteria & synergistic enzymes to decompose the uric acid crystals and completely eliminate any spot residues and odor. It removes any traces of urine from all kinds of surface: carpets, upholstery, clothes, wallpapers, grout, etc. Completely removes even old deposits. Leaves no trace of odor on the spot. Same good for room or outside use. Dog will not find his spot any more.