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Lockbox Shipping Container: Extra Security for One-Trip Units

Written on October 30, 2025 by Randy Lair
In the following categories: FAQ, How To

The lockbox shipping container is one of the most secure storage solutions available today. Found only on new one-trip containers, this reinforced system prevents padlocks from being cut and lets you add up to five locks for maximum protection. When you invest in a one-trip shipping container, you’re getting more than storage space — you’re getting peace of mind. At YES Containers, we’ve taken container security to the next level with our lockbox system designed to prevent padlock cuts and allow multiple locks — up to five — on one door. In this post, we’ll walk you through what the lockbox is, why it matters, how secure it really is, and how to use it effectively.


What Is a Lockbox Shipping Container?

A lockbox is a hardened steel enclosure welded to the container door that covers the padlocks’ shackle. It’s designed so that cutters cannot simply access or saw through the locks. Combined with high-quality padlocks and our option to install four extra locks (for a total of up to five), this system greatly increases security.


Why One-Trip Lockbox Shipping Containers Offer More Security

While all containers can be adapted for storage or transport, a one-trip container is brand-new from the manufacturer and has only made one overseas journey. That means:

  • Thicker steel walls and stronger structure.

  • Fewer repairs, rust spots, or wear that potential intruders could exploit.

  • Better condition for locking systems (like our lockbox) to perform as intended.


How the Lockbox System on Shipping Containers Works

  1. Primary padlock: the main lock that will fit inside the lockbox.

  2. Four additional padlock eyes: welded tabs on the door handles allow you to install 4 more high-security padlocks.

  3. Lockbox cover plate: Protects all padlocks from direct access, cutting tools, or saws.

  4. Optional accessories: weather hoods, alarm sensors, reinforced hinges — you decide your level of security.
    Myths busted:

  • “Padlocks alone can’t stop cutters” — true. But when housed inside a lockbox, access is restricted.

  • “More locks = better security” — also true up to the point where each lock is high quality and properly maintained.


FAQ: Customer Questions & Answers

Q1: How secure is a shipping container with a lockbox?
A1: Very secure — when properly installed, a lockbox prevents direct access to padlocks, forces any attempt to gain entry through the container itself (walls, hinge welds) rather than a straightforward cut. Combined with a one-trip container, the structure is strong.

Q2: Can someone cut through all five padlocks?
A2: In theory, yes — any lock can be defeated with enough tools and time. But five properly rated padlocks + a lockbox dramatically increase the time, noise and risk for an intruder, making your container a far less attractive target.

Q3: Why choose a one-trip container with a lockbox rather than a used container?
A3: Because the integrity of the steel and locking system is highest when new. A used container may have rust, weakened walls or doors, or existing damage that compromises security. Our lockbox is designed for top-condition doors.

Q4: Can I add even more security (alarms, cameras) to the container?
A4: Absolutely. Many customers install motion sensors, GPS trackers, LED door alarms. The lockbox is your first line of defense — add tech and you’ve got layered security.

Q5: How do I maintain the lockbox and padlocks?
A5: Regularly lubricate padlock shackles, inspect welds and hinges, clear debris around the door. For one-trip containers, annual check is usually enough.


How to Use This Container for Real-World Applications

  • Construction sites: Lock up equipment and materials overnight — thieves move on to easier targets.

  • Pop-up retail or event storage: Use the container as a locked back-office or gear vault.

  • Long-term storage off-site: Park it in a secure yard, deploy your lockbox plus motion sensor, and monitor remotely.


Conclusion

Security doesn’t have to be an afterthought. With our one-trip containers and built-in lockbox + up to five padlocks, you’re choosing strength, peace of mind, and performance — exactly what defines YES Containers. Watch the video, share the link, and secure your next container with confidence.

👉 Check out inventory and contact us today.

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