If you are shopping for a used shipping container, you will see two common condition grades: Wind & Watertight (WWT) and Cargo Worthy (CW). They sound similar, but they are suited to different uses. This guide explains what each grade means, how they compare, and which one you need.
Quick answer
- Choose Wind & Watertight for ground storage where the container will stay in one place.
- Choose Cargo Worthy if the container needs to be structurally sound for shipping cargo, or you want a used unit in better structural condition.
What does Wind & Watertight (WWT) mean?
A Wind & Watertight container is a used unit intended to keep out ordinary wind and water when placed on the ground. It is suited to storage. Expect cosmetic wear such as dents, surface rust and patched panels. A WWT container is not rated for shipping cargo overseas.
What does Cargo Worthy (CW) mean?
A Cargo Worthy container is a used unit that is structurally sound for shipping cargo. Cargo Worthy containers are also wind and watertight, but they meet a higher structural standard. We confirm a CSC plate or survey for each Cargo Worthy listing.
Wind & Watertight vs Cargo Worthy compared
| Wind & Watertight (WWT) | Cargo Worthy (CW) | |
|---|---|---|
| Keeps out wind and water | Yes | Yes |
| Rated for shipping cargo | No | Yes |
| Typical use | Ground storage | Shipping cargo or storage |
| Cosmetic wear | Dents, surface rust, patched panels | Used wear, but structurally sound for cargo |
| Price | Lower | Higher |
Price comparison
At the time of writing, prices on our store are:
| Container | Wind & Watertight | Cargo Worthy |
|---|---|---|
| 20ft used | $1,650 | $1,950 |
| 40ft used | $2,050 | $2,450 |
Prices exclude delivery and sales tax and can change with availability. Standard delivery is $350 per order to eligible addresses in our 28-state service area.
Which grade do you need?
- Storing tools, equipment, inventory or household items on your property: Wind & Watertight is usually enough.
- Shipping goods, or needing a container that is structurally sound for transport: choose Cargo Worthy.
- Planning a conversion where appearance matters: consider a new one-trip container instead.
Inspect your container at delivery
Whatever grade you choose, inspect the container when it arrives and photograph any visible damage or discrepancies. Contact us promptly at info@levshippingcontainers.us. See our Product Condition and Warranty Policy and Returns and Refund Policy for details.
Shop Wind & Watertight containers or Cargo Worthy containers.
Need help choosing?
Tell us what you plan to store, your delivery ZIP code and any site access limits. We will confirm availability, the condition grade and your delivery quote before you pay anything.


