Each tablet treats 32 ounces of water. 12 tablets/package. Each tablet is individually packaged in child resistant foil. Pouch is resealable. EPA registered purifier, will not discolor water. Uses a powerful chlorine dioxide disinfectant, does not give water a chlorine taste. Kills bacteria, viruses, giardia, and cryptosporidium. Great addition to a 72 Hour Kit or Bug Out Bag.