## Common ground
All options describe CD boxes based on their primary material composition.
## Options at a glance
**3923.10 – Made of plastic material**
- **Defining trait:** Constructed primarily from plastic (e.g., polypropylene, polystyrene).
- **Typical examples:** Clear plastic jewel cases, rigid plastic storage boxes.
- **Best fit when:** The box is hard, lightweight, and transparent or opaque plastic.
**4202.9X – Made of leather or composite materials**
- **Defining trait:** Uses leather, composition leather, or materials like plastic sheeting/textile/paperboard as primary coverings.
- **Typical examples:** Luxury CD cases with faux leather covers, fabric-wrapped boxes.
- **Best fit when:** The box has a soft, textured surface resembling leather or fabric, even if the core is plastic or cardboard.
**4420.90 – Made of wood, marquetry or inlaid wood**
- **Defining trait:** Constructed from solid wood, veneer, or decorative wood inlays.
- **Typical examples:** Handcrafted wooden CD boxes, carved or inlaid cases.
- **Best fit when:** The box is visibly made of wood with grain or craftsmanship visible.
**4819.50 – Made of paper or paperboard**
- **Defining trait:** Primarily constructed from paper, cardboard, or paperboard.
- **Typical examples:** Standard cardboard sleeves, folded paper inserts, printed paper boxes.
- **Best fit when:** The box is flimsy, foldable, and made of paper-based materials.
## Key differences
| Feature | 3923.10 (Plastic) | 4202.9X (Leather/Composite) | 4420.90 (Wood) | 4819.50 (Paperboard) |
|------------------|-------------------|-------------------------------|----------------|------------------------|
| Material core | Plastic | Leather/fabric/plastic sheeting | Solid wood | Paper/cardboard |
| Durability | High | Medium | High | Low |
| Surface texture | Smooth, hard | Soft, textured | Natural grain | Flat, printed |
## How to choose
1. Is the box made of rigid plastic? → 3923.10
2. Does it have a leather-like or fabric-like outer layer? → 4202.9X
3. Is it visibly made of wood with grain or inlay? → 4420.90
4. Is it thin, foldable, and made of paper/cardboard? → 4819.50
## Overlaps & pitfalls
- A plastic box covered in faux leather fits both 3923.10 and 4202.9X. Choose based on **primary material**: if the core is plastic, use 3923.10; if the covering defines it (e.g., soft leather-like surface), use 4202.9X.
- A paperboard box with a wooden frame might overlap 4819.50 and 4420.90. Use **main structural material** as the deciding factor.
- No priority rule is implied; users should select based on the product’s **main function or defining feature**