## Common ground
All options are covers for trucks or trailers, designed to protect cargo from weather and theft.
## Options at a glance
**3926.90 – Plastic material**
- **Defining trait:** Made from rigid or flexible plastic (e.g., polyethylene), often waterproof and durable.
- **Typical examples:** Heavy-duty plastic tarpaulin, molded plastic shell cover.
- **Best fit when:** Need high water resistance, low maintenance, and long-term outdoor use.
**6307.90 – Textile material**
- **Defining trait:** Made from woven or non-woven fabric (e.g., polyester, canvas), typically flexible and lightweight.
- **Typical examples:** Canvas tarp, breathable mesh fabric cover with UV protection.
- **Best fit when:** Require flexibility, ease of folding, ventilation, or lower weight.
**7610.90 – Aluminium**
- **Defining trait:** Constructed from aluminum frames or panels, offering strength and lightness.
- **Typical examples:** Aluminum-framed rigid cover with fabric or mesh panels.
- **Best fit when:** Need a semi-rigid, durable, lightweight structure with long lifespan.
## Key differences
| Feature | 3926.90 (Plastic) | 6307.90 (Textile) | 7610.90 (Aluminium) |
|------------------|-------------------|-------------------|---------------------|
| Material type | Plastic | Fabric | Metal (aluminum) |
| Flexibility | Rigid to semi-rigid | Flexible | Semi-rigid |
| Weight | Medium to heavy | Light | Light |
| Durability | High (weatherproof)| Moderate | Very high |
## How to choose
- Is the cover made of rigid or flexible plastic? → 3926.90
- Is it primarily fabric-based, especially mesh or woven material? → 6307.90
- Does it have an aluminum frame or structure? → 7610.90
## Overlaps & pitfalls
A cover may combine materials (e.g., textile with aluminum frame), making it fit both 6307.90 and 7610.90. In such cases, prioritize the **main structural material** or **primary function**: if the frame defines the structure, use 7610.90; if the cover is mainly fabric-based, use 6307.90. The term “mesh” in the product name suggests textile (6307.90), not plastic or metal