This is our bulk size 100% Food grade Diatomaceous Earth 10Lb Bag.  Save big in buying bulk from us!  It contains (approximately) 800 tablespoons, and is a great size for a big family, pets, and preppers.  Since Diatomaceous Earth has no specific shelf life, ordering (4) or more of this item is offered at an even better price.  Please call 1-800-228-5836 for more information on that special pricing.