100% Pure Diatomaceous Earth
Natural Fossil Shell Powder fro the USA.
Can be used in home and garden for many purposes.
Often used in swimming pool filters and cat litter. 

Often used for pests such as fleas, bedbugs, snails, slugs, cockroaches, etc.
The micro particles wedge into a small bug and stab it to death. 

NO chemicals. No toxicity. All natural and safe for humans and all pets. 

Just don't breathe in the stuff, like any dirt or dust, not good for lungs.

One-half pound size. 8 US ounces.