Keeps Food Fresh and Flavorful: our GAMMA SEAL TECHNOLOGY, featuring a threaded locking system and double gaskets, create a controlled moisture balance making it the ideal airtight bird seed food storage container (suitable for dog and food, too) Say Goodbye to Pesky Pests: In addition to locking in freshness and flavor, GAMMA SEAL TECHNOLOGY keeps pests out, stopping ants and other insects out of this bird seed food storage vault. Perfect for dry pet food Food-safe and BPA-Free: Engineered with strength and durability in mind, Vittles Vaults Dog, Cat & Bird Food Storage containers made of food-grade, durable BPA-free HDPE plastic that won't shatter if dropped and can be kept inside, in garages or outdoors Must-Have Pet Owner's Bird Feeding & Watering Supplies: This versatile pet food storage container serves as a bird seed food storage container or food for goats, birds, etc. Note that only the 40lb and 60lb Vittles Vaults are stackable Proudly Made in the USA: Unlike many other pet food storage containers, Vittles Vaults are manufactured in the USA with quality and craftsmanship you can trust. Capacity is based on the shape and density of bird seed