Yes. Any padlock will work (we recommend using a minimum of 1.5″ steel padlock). Box-n-Go can sell you a new, sealed high-security locks and keys for your storage containers. For your security, we do not have or keep a copy of your keys, so please keep them in a safe place. Of course, you are free to provide your own locks. Please note that ALL full containers must be padlocked prior to pick up and transit to storage warehouse.