Understanding Container Grades
Every used shipping container gets classified by its condition. These grades tell you how old the container is, what shape it's in, and what it can be used for. The grading system was originally created for the ocean shipping industry, but it applies to storage and other uses too.
The three grades you'll see most often when shopping for containers are One Trip, Cargo Worthy (CW), and Wind & Water Tight (WWT). There's also an "As-Is" category for containers that don't meet any of these standards — they're the cheapest option but come with no guarantees.
✓ Every Container Gets Inspected Before Delivery
Regardless of condition grade, every container we deliver is personally inspected at the depot when it's loaded onto the trailer. We take photos and send them to you before leaving the depot — giving you the chance to approve the container before it's on its way. You'll know exactly what's showing up at your property.
One Trip — As Close to New as You Can Get
A One Trip container was manufactured overseas (usually in China), loaded with cargo for a single voyage, and shipped to the United States. After that one trip, it enters the domestic resale market. These containers are typically less than two years old.
Expect fresh paint, clean floors, fully functional doors and seals, and only minor cosmetic marks from the single cargo load. These are the best-looking containers you can buy, and they'll last 25+ years with zero maintenance needed upfront.
Cargo Worthy — The Sweet Spot
A Cargo Worthy container is one that should pass a CSC (Container Safety Convention) inspection for ocean shipping. These containers have been in active service for roughly 8–15 years, which means they'll show signs of use — surface rust, dents, some wear on the floors — but nothing that compromises their structural integrity. The depots we work with screen containers to CW standards, but they are not formally certified unless you need them to be. If you're exporting and need a certified inspection, we can arrange that.
CW is the most popular condition for buyers who need something reliable without paying for new. The container is structurally sound, the doors seal properly, and it will keep your contents dry and secure for years. For most farm, construction, and business storage applications, this is the grade we recommend.
WWT — Budget Storage That Works
Wind & Water Tight containers have aged out of ocean shipping service — typically 14–18 years old — but they still seal out wind and rain. They won't pass a CSC inspection for export, but they're structurally solid for ground-level storage. Expect more visible rust, deeper dents, and floors that may show staining or minor wear.
WWT is the most affordable option and it's perfectly fine for storing tools, equipment, hay, seasonal items, or anything else that needs to stay dry but doesn't need to look pretty. If you're on a budget and the container will sit on a farm or in a back lot, this is where your dollar goes furthest.
Side-by-Side Comparison
| Feature | One Trip | Cargo Worthy | WWT |
|---|---|---|---|
| Typical age | 0–2 years | 8–15 years | 14–18+ years |
| Appearance | Like new | Used, decent | Weathered |
| Structural integrity | ★★★ | ★★★ | ★★☆ |
| Wind & water tight | ✓ Yes | ✓ Yes | ✓ Yes |
| Export certified (CSC) | ✓ Yes | On request | ✗ No |
| Surface rust | Minimal | Some | More common |
| Floor condition | Clean, minor forklift marks | Staining, minor wear | Worn, possible staining |
| Doors | Smooth operation | Good operation | May be stiff |
| Best for | Visible use, mods, export | General storage, job sites | Budget storage |
Which Condition Should You Buy?
After selling containers for four years, here's the honest advice I give every customer.
If the container will be visible — near your house, on a commercial property, facing a road — go with One Trip. The clean appearance matters more than people think, especially if you have an HOA or neighbors who might complain. One Trip is also the right choice if you plan to modify the container (add doors, windows, insulation, paint) because you're starting with a better canvas.
If you need solid, reliable storage and appearance isn't a priority, Cargo Worthy is the best value. It's the container I recommend most often. Farmers storing equipment, contractors with job site tools, businesses with overflow inventory — CW handles all of it at a price point that makes sense.
If you're on a tight budget and just need something waterproof, WWT will do the job. Just know that these containers have more wear, the doors might take some muscle, and you may see cosmetic issues that don't affect function but won't win any beauty contests.
A Note on "As-Is" Containers
You'll sometimes see containers listed as "As-Is" at bargain prices. These don't meet any condition standard and may have holes, broken doors, or structural damage. We can source them if the price is right for your project, but go in with your eyes open — the money you save up front can get eaten by repair costs. We'll always be upfront about what you're getting.