5 lb Crawling Insect Control DEProduct Description You can purchase 5 lb Crawling Insect Control Diatomaceous Earth to treat both inside and outside your home. To prevent further infestations, DE works great around the home as a barrier against insects. Since DE is organic, you can feel comfortable using it around your family and pets. If you are treating larger areas, we recommend buying 50 lbs of Perma Guard Crawling Insect Control DE.