Urine OFF Multi-Purpose Formula uses high performance bio-enzymatic technology to eliminate stains and odors from virtually any surface permanently. The combination of naturally occurring micro-organisms and their enzymes digest the uric acid crystals that produce urine’s pungent aroma, the urea that sticks to the surface and the proteins that promote pathogen growth, effectively eliminating all components of urine. Urine OFF has been awarded USDA BioPreferred designation as a USDA Certified Biobased Product. Eliminates stains. Good on any surface. USDA certified biobased product.