# United States tariff lines under HS 9404.21

> The United States tariff splits HS 9404.21 (mattresses: Of cellular rubber or plastics, whether or not covered) into 3 national lines: 9404.21.00.10 (for use in a crib or toddler bed), 9404.21.00.13 (of a width exceeding 91 cm, of a length exceeding 184 cm, and a depth exceeding 8 cm) and 9404.21.00.95 (other). The general (MFN) duty is 3% on all 3 lines.

Source: https://border.bot/countries/united-states/hs-codes/940421
Last updated: 9 October 2026

[Countries](https://border.bot/countries) / [United States](https://border.bot/countries/united-states) / [Chapter 94](https://border.bot/countries/united-states/hs-codes/94) / [9404.21](https://border.bot/countries/united-states/hs-codes/940421)

## Key facts

- HS subheading: [9404.21](https://border.bot/hs-codes/940421)
- Duty (MFN): 3%
- National lines: 3
- Tariff: [United States](https://border.bot/countries/united-states)
- Chapter: 94: Furniture; bedding, mattresses, mattress supports, cushions and similar stuffed furnishings; luminaires and lighting fittings, not elsewhere specified or included; illuminated signs, illuminated name-plates and the like; prefabricated buildings

## United States lines under 9404.21

The United States tariff splits HS 9404.21 (mattresses: Of cellular rubber or plastics, whether or not covered) into 3 national lines: 9404.21.00.10 (for use in a crib or toddler bed), 9404.21.00.13 (of a width exceeding 91 cm, of a length exceeding 184 cm, and a depth exceeding 8 cm) and 9404.21.00.95 (other).

The general (MFN) duty is 3% on all 3 lines.

- [9404.21.00.10](https://border.bot/countries/united-states/hs-codes/9404210010) Mattresses, Of cellular rubber or plastics, whether or not covered, For use in a crib or toddler bed. Duty (MFN): 3%
- [9404.21.00.13](https://border.bot/countries/united-states/hs-codes/9404210013) Mattresses, Of cellular rubber or plastics, whether or not covered, Of a width exceeding 91 cm, of a length exceeding 184 cm, and a depth exceeding 8 cm. Duty (MFN): 3%
- [9404.21.00.95](https://border.bot/countries/united-states/hs-codes/9404210095) Mattresses, Of cellular rubber or plastics, whether or not covered, Other. Duty (MFN): 3%

## In other countries

No other national tariff on border.bot has live lines under 9404.21 yet.

- [The Harmonized System text for 9404.21](https://border.bot/hs-codes/940421)

- Previous subheading: [9404.10](https://border.bot/countries/united-states/hs-codes/940410) Mattress supports; articles of bedding and similar furnishing (for example, mattresses, quilts, eiderdowns, cushions, pouffes and pillows) fitted with springs or stuffed or internally fitted with any material or of cellular rubber or plastics, whether or not covered
- Next subheading: [9404.29](https://border.bot/countries/united-states/hs-codes/940429) Of other materials

## Frequently asked questions

### How many national tariff lines does the United States tariff have under HS 9404.21?

The United States tariff splits HS 9404.21 (mattresses: Of cellular rubber or plastics, whether or not covered) into 3 national lines: 9404.21.00.10 (for use in a crib or toddler bed), 9404.21.00.13 (of a width exceeding 91 cm, of a length exceeding 184 cm, and a depth exceeding 8 cm) and 9404.21.00.95 (other).

### What is the duty on HS 9404.21 in the United States?

The general (MFN) duty is 3% on all 3 lines.

## Sources and updates

The tariff lines for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.

The duty rates for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.

The trade programmes for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.

This page was last updated on 9 October 2026.

Guidance from published tariff data, not a binding ruling. For a decision customs must follow, apply to the destination’s customs authority for a binding tariff ruling.

Official source files:

- https://hts.usitc.gov/reststop/exportList?from=0000000000&to=9999999999&format=CSV&styles=false

Machine-readable: https://border.bot/countries/united-states/hs-codes/940421.json