## Common ground
All options are gates designed to confine children or pets, differing only in material.
## Options at a glance
**3924.90 – Plastic**
- **Defining trait:** Made from lightweight, moldable plastic; often used for temporary or portable barriers.
- **Typical examples:** Plastic baby gates with hinges, foldable pet gates.
- **Best fit when:** Need portability, low cost, or indoor use with minimal weight.
**4421.99 – Wood**
- **Defining trait:** Constructed from solid or laminated wood; typically more durable and aesthetically traditional.
- **Typical examples:** Wooden baby gates with wooden frames, rustic-style pet barriers.
- **Best fit when:** Desired durability, natural look, or permanent installation.
**7013.10,7013.9X – Glass**
- **Defining trait:** Made of transparent or tempered glass; provides visibility while containing.
- **Typical examples:** Frameless glass baby gates, modern interior dividers.
- **Best fit when:** Aesthetic appeal, space openness, or high safety standards (e.g., tempered glass).
**7323.9X – Iron or Steel**
- **Defining trait:** Made from metal; offers maximum strength and security.
- **Typical examples:** Heavy-duty steel pet gates, iron entryway barriers.
- **Best fit when:** High durability, outdoor use, or need to prevent climbing/forced entry.
## Key differences
| Feature | Plastic | Wood | Glass | Iron/Steel |
|------------------|---------------|---------------|------------------|------------------|
| Durability | Low | Medium | Medium (if tempered) | High |
| Visibility | Low | Low | High | Low |
| Portability | High | Low | Medium | Low |
| Aesthetic | Modern/Basic | Natural/Rustic| Modern/Elegant | Industrial/Heavy |
## How to choose
- Is the gate meant for temporary or portable use? → 3924.90
- Does it need a natural, traditional look? → 4421.99
- Is visibility important (e.g., watching a child)? → 7013.10,7013.9X
- Is strength and security the top priority? → 7323.9X
## Overlaps & pitfalls
A gate could be made of glass with metal fittings—this might fit both 7013.10/7013.9X and 7323.9X. If multiple materials are used, prioritize the **main structural material**. If unclear, choose based on the product’s **primary function**: safety (steel), visibility (glass), or ease of use (plastic)