## Common ground
All options are sorting boxes, used for organizing and storing items.
## Options at a glance
**3926.10 – Plastic material**
- **Defining trait:** Made from durable, often reusable plastic; resistant to moisture and impact.
- **Typical examples:** Clear bin dividers, modular storage trays, kitchen organizers.
- **Best fit when:** Need waterproof, long-lasting, or stackable containers for heavy or wet items.
**4819.60 – Paper or paperboard**
- **Defining trait:** Lightweight, recyclable, and typically used for temporary or low-cost storage.
- **Typical examples:** Cardboard file boxes, shipping inserts, office label trays.
- **Best fit when:** Short-term use, eco-friendly disposal, or low-weight organization (e.g., documents).
**8304.00 – Base metal**
- **Defining trait:** Made from iron, steel, or other non-precious metals; strong and long-lasting.
- **Typical examples:** Metal toolboxes, industrial storage bins, warehouse parts trays.
- **Best fit when:** Heavy-duty use, high durability, or resistance to crushing and fire.
## Key differences
| Feature | 3926.10 (Plastic) | 4819.60 (Paperboard) | 8304.00 (Metal) |
|------------------|-------------------|------------------------|-----------------|
| Durability | High | Low | Very high |
| Weight | Light to medium | Very light | Heavy |
| Reusability | High | Low (single-use) | High |
| Moisture resistance | Yes | No | Yes |
## How to choose
- Is the box meant for heavy or frequent use? → 8304.00
- Does it need to be waterproof or stackable? → 3926.10
- Is it for temporary, lightweight, or eco-friendly storage? → 4819.60
## Overlaps & pitfalls
A box could be made of metal with a paper label (fits both 8304.00 and 4819.60), but the primary material determines classification. If unsure, prioritize the main structural material. The term "sorting" applies to all—function is shared, material defines the category