Nature's Miracle Laundry Boost is specially formulated with powerful stain and odor fighting bio-enzymatic cleaning agents which penetrate, loosen and eliminate the toughest pet stain, odors and allergens. Formulated with odor-Lock technology for superior odor control. Laundry Boost is the ideal additive to use with your favorite laundry detergent for superior stain and odor removing while whitening and brightening your clothes. The phosphate-free cleaning system breaks down urine, feces, blood, vomit, grease and oil. Perfect for use on clothing, pet beds and more. Shipping weight: 2 1/4 lbs.