Harris Food Grade Diatomaceous Earth Kit contains 2 re-sealable bags of (DE). Each bag contains 4 pounds of 100% ground fresh diatomaceous earth with absolutely no additives or fillers. OMRI listed - Listed with the Organic Minerals Research Institute, a non-profit organization that reviews products against organic standards. Powder Duster Included - powder duster in the bag for easy and efficient application. Mother Nature's best kept secret with hundreds of uses. We encourage you to explore the many benefits of food grade diatomaceous earth. Although Harris Food Grade Diatomaceous Earth is not intended for human consumption, mixing rate for animal feed is to not exceed 2% by weight of the total ration. Always follow label instructions and keep out of reach of children.