1.1lbs or 500grams of Clinoptilolite Zeolite Powder - High Potassium- For Your Pet, Your Plant, Soil, or Yourself , Mined in Japan 100% genuine natural zeolite mineral stone mined in Japan processed into very fine powder by Japan technology. Clinoptilolite zeolite powder in 18 micron or approximately 960 MESH size of powder. ( Plant Pollen is 37 microns. Red Blood Cell is 12 microns, so this is very fine powder. ) [ Content ] 1 Pound of Zeolite Powder ( 18 Microns / 960 Mesh Powder ) Zeolite is widely used as a soil amendment for it's ability to increase water retention in the soil and allow plants to more easily access it. Unbelievably, it can hold up to 55% of it's weight in water and slowly releases it to the plant as needed. Removes radio isotopes from the body via external applications. This is used for external use only, DO NOT CONSUME INTERNALLY.