Our Seal Technology, featuring a threaded locking system and double gaskets, creates a controlled moisture balance making it the ideal airtight dog food storage container (suitable for cat food, too)In addition to locking in freshness and flavor, Seal Technology keeps pests out, stopping ants and other insects out of this cat or dog food storage vault. Perfect for dry pet food. Engineered with strength and durability in mind, Vittles Vaults dog and cat food storage containers use food-grade, durable BPA-free HDPE plastic. Suitable for indoors or outdoors, but recommended to store in climate-controlled spaces.