## Common ground
All options refer to photo albums, which are containers for storing and displaying photographs.
## Options at a glance
**3926.90 – Made of plastic material**
- **Defining trait:** Constructed primarily from plastic (e.g., polypropylene, PVC), often durable and water-resistant.
- **Typical examples:** Clear plastic page albums, waterproof photo binders, rigid plastic scrapbooks.
- **Best fit when:** The album is designed for long-term protection, outdoor use, or frequent handling.
**4820.50 – Made of paper or paperboard**
- **Defining trait:** Constructed from paper-based materials, typically lightweight and recyclable.
- **Typical examples:** Traditional scrapbooks, fold-out paper albums, greeting card-style photo books.
- **Best fit when:** The album is intended for display, artistic presentation, or casual home use.
## Key differences
| Feature | 3926.90 (Plastic) | 4820.50 (Paper/Paperboard) |
|---------------------|--------------------------|-----------------------------|
| Material | Plastic | Paper/paperboard |
| Durability | High (waterproof, tear-resistant) | Low to moderate |
| Use case | Protection, long-term storage | Display, creative use |
## How to choose
- Is the album made of plastic or a rigid synthetic material? → 3926.90
- Is it primarily made of paper, cardboard, or lightweight paperboard? → 4820.50
## Overlaps & pitfalls
A photo album may contain both plastic pages and paper covers, but the **main structural material** determines classification. If unclear, prioritize the dominant material. Do not assume that "plastic" means only transparent sheets—rigid plastic spines or covers also count