## Common ground
All options are sink organizers made from different primary materials.
## Options at a glance
**3924.90 – Plastic**
- **Defining trait:** Made primarily from synthetic plastic resin, often lightweight and moisture-resistant.
- **Typical examples:** Stackable plastic trays, silicone-rimmed cutlery holders, foldable plastic racks.
- **Best fit when:** The organizer is lightweight, flexible, or designed for easy cleaning and water exposure.
**4420.90 – Wood**
- **Defining trait:** Constructed from natural wood, typically solid or laminated, offering a rustic or premium aesthetic.
- **Typical examples:** Wooden cutting board-style organizers, handcrafted bamboo racks, carved wooden trays.
- **Best fit when:** The product has visible grain, natural wood finish, or is marketed as eco-friendly or artisanal.
**7323.9X – Iron or Steel**
- **Defining trait:** Made from metal (iron or steel), usually durable and rigid, often with a coated or painted surface.
- **Typical examples:** Heavy-duty metal grid racks, stainless steel utensil holders, industrial-style sink shelves.
- **Best fit when:** The organizer feels heavy, has metallic structure, or is designed for long-term use in high-moisture areas.
## Key differences
| Feature | Plastic (3924.90) | Wood (4420.90) | Iron/Steel (7323.9X) |
|------------------|-------------------|----------------|------------------------|
| Material density | Low | Medium | High |
| Water resistance | High | Moderate | Moderate (if coated) |
| Aesthetic | Modern, simple | Natural, warm | Industrial, sturdy |
## How to choose
- Is the organizer made of plastic or synthetic material? → 3924.90
- Does it look like natural wood with visible grain or finish? → 4420.90
- Is it heavy, metallic, and rigid with a shiny or painted surface? → 7323.9X
## Overlaps & pitfalls
A sink organizer could combine materials (e.g., wooden frame with plastic inserts), but the **main material** determines the HS Code. If unclear, prioritize the dominant structural material. Avoid confusion: “plastic” includes recycled or flexible types; “wood” excludes composite boards unless specified