Stack-N-Stor 65, 18 Gallon, Storage Container, Holds Approximately 40-50 LB Of Dry Pet Food Or 80 100 LB Of Bird Seed, Multi-Use Stackable Storage Unit, Great For Storing & Organizing Not Only Pet Food But Any Other Material, Each Unit Accepts A Lock, Not Included, For Added Protection, Unit Is Not Airtight, BPA Free, FDA Compliant Material.