Size: 32 Ounce (Pack of 1) Natures Miracle pet stain and odor removers have been a trusted brand for pet mess cleanup for more than 35 years. Whatever pets do, you can trust Natures Miracle stain and odor removers, training aids, disinfectants and litter products to undo. Natures Miracle Laundry Boost is a bio-enzymatic stain and odor remover for laundry. Add it to your washer along with your favorite laundry detergent for superior stain and odor removal. Its powerful stain and odor cleaning agents penetrate, loosen and eliminate the toughest pet stains and odors. Natures Miracle Laundry Boost has a phosphate-free cleaning system to break down urine, blood, vomit, grease and oil. Its perfect for use on pet beds, clothing and more. This product is for laundry only. Test in an inconspicuous area first and always follow the manufacturers guidelines for the items being cleaned. Natures Miracle Laundry Boost is safe to use in every wash load simply add cup (2 fl oz) per laundry load along with detergent. For heavy-duty stains and odors, use cup (4 fl oz) per laundry load. The formula is effective in both hot and cold temperatures.