WWT vs CW vs "Looks Fine": Picking the Right Container Without Overpaying
You don't need the fanciest box. You need the right one. Here's the cheat sheet sellers rarely give you.
The three grades that matter
"Looks Fine" (As-Is) Lowest price point. May have surface rust, minor dents, but structure is sound. Perfect for basic storage where appearance doesn't matter.
WWT (Wind and Water Tight) Dry inside, doors seal properly. Ideal for inventory storage, tools, or jobsite use. The standard for most local applications.
CW (Cargo Worthy) Passes CSC inspection for export. Same steel as WWT but with additional certification. Only needed if you plan to export or require the highest standard.
If you prefer it at a glance:
| Grade | What it guarantees | Typical use | Relative price |
|---|---|---|---|
| WWT | No wind or water gets in | Storage, jobsite, inventory | $ |
| CW | WWT + fit for cargo (CSC inspection) | Export, ocean shipping | $$ |
| One-Trip | Nearly new, one factory voyage | Container homes, visible installs | $$$ |
The full breakdown of each grade is in our container grades guide.
How to decide without overpaying
For basic storage: "Looks fine" is enough For inventory or tools: WWT is the sweet spot For export: CW is mandatory
The common trap
Many sellers push CW for everything. It's like buying a Mercedes to go to the grocery store. It works, but you pay extra for no benefit.
Bottom line
Choose by function, not marketing. A well-selected WWT gives you 20 years of service at the right price.
Frequently asked questions
Which grade do I need if it's just for storage? WWT is the safe starting point: it guarantees water stays out, which is the only thing that truly matters when you're storing tools, inventory, or furniture. An As-Is unit can work if you'll inspect it yourself and don't mind patching details, but if you can't see it in person, WWT saves you the lottery ticket.
Is CW worth the premium? Only if you're exporting or shipping cargo by sea. The CSC inspection is what lets a container travel on a vessel; if yours is going to sit still on your lot as a storage box, you're paying for a certificate you'll never use. The same steel in WWT grade does the same job for less.
What does As-Is actually mean? Exactly what it says: the unit sells in its current condition, with no guarantee it's watertight. It can be a great buy or a headache, and the difference is the inspection. Check the roof, floor, and door seals before paying — in person or through detailed photos of the exact unit — and assume any repairs are on you.