## Common ground
All options are types of paving blocks, used for outdoor surfaces like paths, driveways, and patios.
## Options at a glance
**4421.99 – Made of wood**
- **Defining trait:** Constructed from natural timber or wood-based materials.
- **Typical examples:** Wooden decking tiles, treated pine slabs, composite wood blocks.
- **Best fit when:** The product is primarily made from wood and used in natural or rustic settings.
**6801.00 – Made of stone**
- **Defining trait:** Crafted from natural rock or quarried stone (e.g., granite, limestone).
- **Typical examples:** Flagstone pavers, cobblestones, cut stone slabs.
- **Best fit when:** The block is solid, heavy, and derived directly from natural stone.
**6907.2X – Made of ceramic**
- **Defining trait:** Manufactured from fired clay or ceramic materials, often glazed.
- **Typical examples:** Glazed floor tiles used as paving, terracotta pavers, decorative ceramic blocks.
- **Best fit when:** The block is fired, non-porous, and has a smooth or glossy finish.
**7016.90 – Made of glass**
- **Defining trait:** Composed of recycled or molded glass, often transparent or translucent.
- **Typical examples:** Recycled glass pavers, decorative glass tiles, reflective surface blocks.
- **Best fit when:** The block contains visible glass fragments or has a high-gloss, reflective appearance.
## Key differences
| Feature | Wood | Stone | Ceramic | Glass |
|------------------|------------|------------|-------------|--------------|
| Material source | Organic | Natural rock | Fired clay | Recycled/ molded |
| Surface texture | Rough, grainy | Smooth or rough | Smooth, glazed | Smooth, reflective |
| Durability | Moderate | High | Medium-high | Medium (crack-prone) |
## How to choose
- Is the block made from natural timber? → 4421.99
- Is it solid stone from a quarry? → 6801.00
- Is it fired clay, often glazed or colored? → 6907.2X
- Does it contain visible glass or have a shiny, reflective surface? → 7016.90
## Overlaps & pitfalls
A block may combine materials (e.g., ceramic with glass inlays), but the primary material determines the HS Code. If unclear, prioritize the dominant material. No option is vague—each describes a distinct material type