made of heavy duty plastic and a stackable design for efficient storing, they are completely airtight to keep freshness in and pests out. i have 6 of these (the 60lb ones) that i bought the last time they were on sale i was excited to be able to stack 2 high and have all of my dog foods and horse grains in easy access and pest proof containers. i was greatly dissapointed when i noticed the bottom containers caving under …

keeping your pet’s food properly stored will keep out pests and help maintain the food’s nutritional value while keeping it fresh for longer. according to the u.s. food & drug administration, you should “store pet food and treats in the original container or bag. airtight seal: keep your pet’s food fresh, dry and free from pests with a container that features an airtight seal. capacity: make sure the storage container is big enough to hold your pet’s food. it’s made …