all Mighty Pacs 4 in 1 provides four levels of clean in one easy pac; tackle odors, fight tough stains, whitens, and brightens. with in-wash pre-treaters for great stain removal, it basically puts the rock & roll back in your washing machine. You name it, all Mighty Pacs 4 in 1 with Odor Lifter does it. all Mighty Pacs are formulated with enzymes for a great clean. These Mighty Pacs are safe to use in any washing machine and dissolve completely in all water temperatures. All Mighty Pacs are safe for septic systems. This package includes one tub of 60 all 4 in 1 Mighty Pacs, enough for 60 loads.