## Common ground
All options refer to mirrors, defined by their reflective surface and function.
## Options at a glance
**3924.90 – Plastic/acrylic mirrors (home use)**
- **Defining trait:** Made of plastic or acrylic, intended for residential or domestic environments.
- **Typical examples:** Bathroom vanity mirrors, bedroom wall mirrors.
- **Best fit when:** Used in homes, not in industrial or scientific settings.
**3926.90 – Plastic/acrylic mirrors (not home use)**
- **Defining trait:** Made of plastic or acrylic but intended for non-residential applications.
- **Typical examples:** Industrial signage, vehicle mirrors, outdoor displays.
- **Best fit when:** Used in commercial, industrial, or public environments.
**7009.9X – Glass mirrors**
- **Defining trait:** Made of glass, not specified by use or age.
- **Typical examples:** Standard household mirrors, architectural mirrors.
- **Best fit when:** General-purpose mirrors made from glass, regardless of application.
**7114 – Precious metal mirrors**
- **Defining trait:** Constructed primarily from gold, silver, or other precious metals.
- **Typical examples:** Decorative mirrors in royal or ceremonial settings.
- **Best fit when:** The mirror’s value or appearance comes from the precious metal content.
**7116.10 – Pearl mirrors**
- **Defining trait:** Incorporates natural or cultured pearls as part of the design.
- **Typical examples:** Artistic or luxury decorative mirrors with pearl inlays.
- **Best fit when:** Pearls are a key material component, not just decoration.
**7116.20 – Stone mirrors**
- **Defining trait:** Uses natural, synthetic, or reconstructed precious/semi-precious stones.
- **Typical examples:** Mirrors with gemstone inlays or stone frames.
- **Best fit when:** Stones are a defining feature of the mirror’s design.
**8306.30 – Base metal mirrors**
- **Defining trait:** Made primarily from non-precious metals like steel, aluminum, or iron.
- **Typical examples:** Industrial mirrors, vehicle rearview mirrors.
- **Best fit when:** The mirror is functional and made of common metals.
**9001.90 – Optical elements (unmounted)**
- **Defining trait:** Designed for optical systems; not mounted, used in scientific or technical devices.
- **Typical examples:** Laser mirrors, calibration mirrors.
- **Best fit when:** Part of a precision instrument or optical setup.
**9002.90 – Optical elements (mounted or fitted)**
- **Defining trait:** Integrated into instruments or apparatus as a permanent part.
- **Typical examples:** Mirrors in microscopes, projectors, or laser systems.
- **Best fit when:** Used within a larger device or instrument.
**9018.90 – Medical/surgical mirrors**
- **Defining trait:** Specifically designed for medical, surgical, dental, or veterinary use.
- **Typical examples:** Dental mirrors, endoscope mirrors.
- **Best fit when:** Used in healthcare procedures.
**9706.10 – Antique (over 250 years)**
- **Defining trait:** Age exceeds 250 years; considered historical or collectible.
- **Typical examples:** 18th-century mirrors from royal collections.
- **Best fit when:** The mirror is over 250 years old.
**9706.90 – Vintage (100–250 years)**
- **Defining trait:** Age between 100 and 250 years.
- **Typical examples:** 19th-century decorative mirrors.
- **Best fit when:** The mirror is old but not antique by the strictest definition.
## Key differences
| Option | Material | Use Case | Mounting | Age | Special Feature |
|-------|----------|----------|----------|-----|----------------|
| 3924.90 | Plastic/acrylic | Home use | — | — | Domestic |
| 3926.90 | Plastic/acrylic | Non-home | — | — | Industrial/public |
| 7009.9X | Glass | General | — | — | Standard glass |
| 7114 | Precious metal | Luxury | — | — | Metal value |
| 7116.10 | Pearls | Decorative | — | — | Pearl inlay |
| 7116.20 | Stones | Decorative | — | — | Gemstone use |
| 8306.30 | Base metal | Functional | — | — | Common metal |
| 9001.90 | Varies | Optical (unmounted) | Unmounted | — | Scientific |
| 9002.90 | Varies | Optical (mounted) | Mounted | — | Instrument part |
| 9018.90 | Varies | Medical | — | — | Healthcare use |
| 9706.10 | Varies | Antique | — | >250 yrs | Historical |
| 9706.90 | Varies | Vintage | — | 100–250 yrs | Collectible |
## How to choose
- Is the mirror made of plastic or acrylic? → 3924.90 or 3926.90
- Is it used in a medical, dental, or surgical setting? → 9018.90
- Is it part of an optical instrument (e.g., laser, projector)? → 9001.90 or 9002.90
- Is it over 250 years old? → 9706.10
- Is it between 100 and 250 years old? → 9706.90
- Does it contain pearls or gemstones as key material? → 7116.10 or 7116.20
- Is it made of precious metal? → 7114
- Is it made of base metal (e.g., steel, aluminum)? → 8306.30
- Is it glass? → 7009.9X
## Overlaps & pitfalls
- Plastic/acrylic mirrors may also be optical or medical — prioritize **main function**.
- Optical mirrors (9001.90/9002.90) may be made of glass, metal, or plastic — use **application** to decide.
- Age-based codes (9706.10/9706.90) override material/use if the mirror is truly antique.
- If multiple traits apply (e.g., a medical mirror made of glass), choose based on **primary function**