The Vittles Vault line of stackable containers are very popular for bulk grain storage. They are food grade, airtight and pest proof. They also have a large easy access opening and the ability to stack makes them space efficient. The 60 lb size easily holds a 50-55 lb bag of grain.
Check Petco product page for current price and availability.
Compare: Vittles Vault Airtight Stackable Pet Food Container at Amazon
Pinned: Our 2018 Black Friday Roundup is Live!
More: Recent Great Deals