Thanks to Twitter Follower @chillindamos for this photo [and one more below]! [Connect with HBF on Twitter] This is the 50 lb stackable size with a full 25 kg bag of grain in it.  That’s about 55 lbs and there’s still some room.

• The Vittles Vault line of stackable containers are very popular for bulk grain storage.
• They are food grade and airtight.  They have a large easy access opening and the ability to stack makes them space efficient.  Heavy Duty construction and easy spin off and on lid.  Lid features lock-down double gaskets.  The body includes molded handles for easy carrying.  Made from food grade, BPA free plastic.
• What are others saying?  Search this product’s Amazon reviews for “malt” – may include reviews for other sizes or variations
• Learn More!  Hands on Review: Vittles Vault Stackable Storage Bins for Homebrew Grain Storage

Vittles Vault 50-Pound Stackable – note that multiple variations of this product may be available, as such a different version may appear at this link

The 50 lb size stacked with two 15 lb capacity containers

Hands on Review: Vittles Vault Stackable Storage Bins for Homebrew Grain Storage!

Make sure the components you use are compatible and rated for your intended application.  Contact manufacturer with questions about suitability or a specific application.  Always read and follow manufacturer directions.  prod:B0002DJOOI