## Common ground
All options refer to decorative small items used in crafts, fashion, or embellishment.
## Options at a glance
**3926.90 – Made of plastic material**
- **Defining trait:** Manufactured from synthetic polymers like polyethylene or PVC.
- **Typical examples:** Plastic sequins, bead chains, iridescent spangles.
- **Best fit when:** The item is lightweight, flexible, and often colored or shiny but not metallic.
**7018.10 – Made of glass**
- **Defining trait:** Crafted from transparent or colored silica-based material, often heat-treated.
- **Typical examples:** Glass beads, crystal spangles, hand-blown decorative beads.
- **Best fit when:** The item is clear, reflective, or has a high-gloss finish with a glass-like feel.
**8308.90 – Made of base metal**
- **Defining trait:** Constructed from non-precious metals like iron, steel, brass, or aluminum.
- **Typical examples:** Metal sequins, metallic beads, tin spangles.
- **Best fit when:** The item feels heavy, is magnetic, or has a metallic sheen without being gold/silver.
## Key differences
| Feature | 3926.90 (Plastic) | 7018.10 (Glass) | 8308.90 (Base Metal) |
|------------------|-------------------|-----------------|------------------------|
| Material | Synthetic polymer | Silica glass | Non-precious metal |
| Weight | Light | Medium-heavy | Heavy |
| Luster | Iridescent/flat | High-reflection | Metallic shine |
| Magnetic? | No | No | Yes (usually) |
## How to choose
1. Is it made of plastic or synthetic material? → 3926.90
2. Does it feel like glass and reflect light sharply? → 7018.10
3. Is it metallic, heavy, and possibly magnetic? → 8308.90
## Overlaps & pitfalls
- A plastic bead with a metallic coating may confuse classification; prioritize material of the core body.
- Glass beads with metal backing could fit both 7018.10 and 8308.90—choose based on dominant material.
- No priority rule is specified; use the **main structural material** as the deciding factor