## Common ground
All options are containers designed to hold pens or pencils.
## Options at a glance
**3926.10 – Made of plastic material**
- **Defining trait:** Constructed from synthetic polymer materials, often lightweight and durable.
- **Typical examples:** Disposable desk organizers, colorful school supplies, molded stationery cups.
- **Best fit when:** The cup is lightweight, mass-produced, and resistant to moisture or wear.
**4420.90 – Made of wood, marquetry or inlaid wood**
- **Defining trait:** Crafted from natural wood or layered wood veneers, often with decorative finishes.
- **Typical examples:** Handmade desk accessories, artisanal office organizers, wooden writing desks.
- **Best fit when:** The cup has a natural wood appearance, is handcrafted, or features visible grain or inlays.
**4819.60 – Made of paper or paperboard**
- **Defining trait:** Constructed from folded or molded paper-based materials, typically recyclable and low-cost.
- **Typical examples:** Office supply packaging, promotional desk cups, temporary organizers.
- **Best fit when:** The cup is disposable, eco-friendly, or made from corrugated or cardboard-like material.
**8304.00 – Made of base metal**
- **Defining trait:** Constructed from non-precious metals like steel, aluminum, or iron, often with a polished or coated finish.
- **Typical examples:** Metal desk organizers, industrial-style pen holders, minimalist office accessories.
- **Best fit when:** The cup is sturdy, metallic in appearance, and designed for long-term use.
## Key differences
| Feature | Plastic (3926.10) | Wood (4420.90) | Paper (4819.60) | Base Metal (8304.00) |
|------------------|-------------------|----------------|-----------------|------------------------|
| Material | Synthetic polymer | Natural wood | Paper-based | Non-precious metal |
| Durability | Moderate to high | High | Low | Very high |
| Appearance | Smooth, colorful | Natural grain | Plain or printed| Metallic finish |
## How to choose
1. Is it made of plastic? → 3926.10
2. Is it made of wood (including veneers or inlays)? → 4420.90
3. Is it made of paper, cardboard, or paperboard? → 4819.60
4. Is it made of metal like steel or aluminum? → 8304.00
## Overlaps & pitfalls
A cup could be made of paper with a plastic coating (fits both 4819.60 and 3926.10), or wood with metal inlays (fits 4420.90 and 8304.00). If multiple materials apply, prioritize the **main structural material**. If unclear, choose based on the product’s primary function or most visible component