Subheading · Chapter 94 · Heading 9404

9404.21

9404.21: Of cellular rubber or plastics, whether or not covered

Foam and rubber mattresses

9404.21 is the HS subheading for foam and rubber mattresses, under heading 9404 in chapter 94.

What you pay

Importing into UK

Customs duty 2% standard rate · across 2 national lines depends on the country of origin
Additional duties and charges 3 additional measures Import requirements: 2
VAT 20.00 % import VAT
Duty calculatorCalculate duty and taxes →

Rates by national line · UK Global Tariff

UK lines →
  1. 9404 21 00 00 Of cellular rubber or plastics, whether or not covered
  2. 9404 21 10 00 Of rubber 2%
  3. 9404 21 90 00 Of plastics 2%

Additional duties and import rules

Charges on top of the customs duty, and rules the goods must meet at the border.

Additional duties and charges 3

  • Additional dutyAdditional duties 35%
    Applies to goods from
    Belarus, Russia
    Legal act
    2022 No. 598
    Documents
    • 9014
  • Duty suspensionSuspension - goods for certain categories of ships, boats and other vessels and for drilling or production platforms Free
    Applies to goods from
    all countries
    Legal act
    2020 No. 1431
    Documents
    • C990 End use authorisation ships and platforms (Column 8c, Annex A of Delegated Regulation (EU) 2015/2446)
  • Duty suspensionAirworthiness tariff suspension Free
    Applies to goods from
    all countries
    Legal act
    S.I. 2018/1249
    Documents
    • C119 Authorised Release Certificate — EASA Form 1 (Appendix I to Annex I to Regulation (EU) No 748/2012), or equivalent certificate

Import requirements 2

  • Import controlRestriction on entry into free circulation
    Applies to goods from
    Iraq, Russia, Ukraine
    Legal act
    S.I. 2020/707, 2023 No. 440, S.I. 2022/395
    Documents
    • 9011
    • 9022
    • 9038
    • 9009
    • 9010
    • 9017
  • Import controlImport control on cat and dog fur
    Applies to goods from
    all countries
    Legal act
    S.I. 2009/1056
    Documents
    • Y922 Other than cats and dogs fur as mentioned by Regulation (EC) No 1523/2007 (OJ L 343)

Preferential rates by country

Agreement or schemeCountriesRate
standard rate (no agreement)—2%
DCTS Comprehensive
Afghanistan, Angola, Bangladesh, Benin and 38 more

Afghanistan, Angola, Bangladesh, Benin, Bhutan, Burkina Faso, Burundi, Cambodia, Central African Republic, Chad, Comoros, Congo - Kinshasa, Djibouti, Eritrea, Ethiopia, Gambia, Guinea, Guinea-Bissau, Haiti, Kiribati, Laos, Liberia, Malawi, Mali, Mauritania, Myanmar (Burma), Nepal, Niger, Rwanda, São Tomé & Príncipe, Senegal, Sierra Leone, Somalia, South Sudan, Sudan, Tanzania, Timor-Leste, Togo, Tuvalu, Uganda, Yemen, Zambia

Free
European Union (including code "EU")
Austria, Belgium, Bulgaria, Croatia and 23 more

Austria, Belgium, Bulgaria, Croatia, Cyprus, Czechia, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden

Free
DCTS Enhanced
Algeria, Bolivia, Cape Verde, Congo - Brazzaville and 13 more

Algeria, Bolivia, Cape Verde, Congo - Brazzaville, Cook Islands, Kyrgyzstan, Micronesia, Mongolia, Nigeria, Niue, Pakistan, Philippines, Sri Lanka, Syria, Tajikistan, Uzbekistan, Vanuatu

Free
CARIFORUM
Antigua & Barbuda, Bahamas, Barbados, Belize and 10 more

Antigua & Barbuda, Bahamas, Barbados, Belize, Dominica, Dominican Republic, Grenada, Guyana, Jamaica, St Kitts & Nevis, St Lucia, St Vincent & the Grenadines, Suriname, Trinidad & Tobago

Free
OCTs (Overseas Countries and Territories)
Anguilla, Bermuda, British Indian Ocean Territory, British Virgin Islands and 7 more

Anguilla, Bermuda, British Indian Ocean Territory, British Virgin Islands, Cayman Islands, Falkland Islands, Montserrat, Pitcairn Islands, South Georgia & South Sandwich Islands, St Helena, Turks & Caicos Islands

Free
Central America Costa Rica, El Salvador, Guatemala, Honduras, Nicaragua, Panama Free
SADC EPA Botswana, Eswatini, Lesotho, Mozambique, Namibia Free
Eastern and Southern Africa States Madagascar, Mauritius, Seychelles, Zimbabwe Free
CPTPP Brunei, Malaysia Free
UK–Andorra agreement Andorra Free
UK–Albania agreement Albania Free
UK–Australia agreement Australia Free
UK–Canada agreement Canada Free
UK–Switzerland agreement Switzerland Free
UK–Côte d’Ivoire agreement Côte d’Ivoire Free
UK–Chile agreement Chile Free
UK–Cameroon agreement Cameroon Free
UK–Colombia agreement Colombia Free
UK–Ceuta & Melilla agreement Ceuta & Melilla Free
UK–Ecuador agreement Ecuador Free
UK–Egypt agreement Egypt Free
UK–Fiji agreement Fiji Free
UK–Faroe Islands agreement Faroe Islands Free
UK–Georgia agreement Georgia Free
UK–Ghana agreement Ghana Free
DCTS Standard Indonesia Free
UK–Israel agreement Israel Free
UK–India agreement India Free
UK–Iceland agreement Iceland Free
UK–Jordan agreement Jordan Free
UK–Japan agreement Japan Free
UK–Kenya agreement Kenya Free
UK–South Korea agreement South Korea Free
UK–Lebanon agreement Lebanon Free
UK–Liechtenstein agreement Liechtenstein Free
UK–Morocco agreement Morocco Free
UK–Moldova agreement Moldova Free
UK–North Macedonia agreement North Macedonia Free
UK–Mexico agreement Mexico Free
UK–Norway agreement Norway Free
UK–New Zealand agreement New Zealand Free
UK–Peru agreement Peru Free
UK–Papua New Guinea agreement Papua New Guinea Free
UK–Palestinian Territories agreement Palestinian Territories Free
UK–Serbia agreement Serbia Free
UK–Solomon Islands agreement Solomon Islands Free
UK–Singapore agreement Singapore Free
UK–San Marino agreement San Marino Free
UK–Tunisia agreement Tunisia Free
UK–Türkiye agreement Türkiye Free
UK–Ukraine agreement Ukraine Free
UK–Vietnam agreement Vietnam Free
UK–Samoa agreement Samoa Free
UK–Kosovo agreement Kosovo Free
UK–South Africa agreement South Africa Free

UK: imports by month

last 12 months£91m+2.3% · previous 12 months
Average import price£6.04 per kg
Jan 2024: £8.9mFeb 2024: £8.3mMar 2024: £9.3mApr 2024: £8.3mMay 2024: £7.4mJun 2024: £4.7mJul 2024: £6.7mAug 2024: £5mSept 2024: £6.7mOct 2024: £8.9mNov 2024: £8.4mDec 2024: £8.5mJan 2025: £6.6mFeb 2025: £7.4mMar 2025: £6.4mApr 2025: £6.2mMay 2025: £8.7mJun 2025: £7.3mJul 2025: £7.7mAug 2025: £6.4mSept 2025: £8.6mOct 2025: £10.4mNov 2025: £9.2mDec 2025: £8.5mJan 2026: £5.8mFeb 2026: £7mMar 2026: £7mApr 2026: £6.8mMay 2026: £6.2mJun 2026: £6.8mJul 2026: £7.1mAug 2026: £7.4m 202420252026
Data up to August 2026 (provisional) · Monthly data: Eurostat Comext (CC BY 4.0), HMRC (OGL v3.0)

Main suppliers, last 12 months

CountryValueShareChange
Denmark £45.4m 49.9% +30.2%
Poland £13.9m 15.2% -4.9%
China £9.7m 10.6% -37%
Romania £6.6m 7.3% -18%
Ireland £5.5m 6.1% -25.1%
Indonesia £2.7m 3% +135.3%
Taiwan £1.7m 1.9% +96.5%
Germany £1.1m 1.3% +50.9%

Same subheading in other tariffs

World trade in 2024

9404.21 · US$2.9bn

Trade value (US$) no reported trade < US$669.7kUS$669.7k+US$10.9m+US$46.2m+> US$127.6m

Exports: 150
  1. China: US$620.3m
  2. Poland: US$385.8m
  3. Indonesia: US$258.5m
  4. Denmark: US$217.5m
  5. Mexico: US$127.6m
  6. United States: US$105.1m
  7. Germany: US$97.3m
  8. Romania: US$96.9m
  9. Vietnam: US$91.5m
  10. Italy: US$77.8m
  11. Laos: US$72.7m
  12. Belgium: US$53.4m
  13. Spain: US$48.5m
  14. Portugal: US$46.4m
  15. Thailand: US$46.2m
  16. Serbia: US$42.8m
  17. South Korea: US$35.8m
  18. Netherlands: US$33m
  19. Czechia: US$24.5m
  20. New Zealand: US$22.9m
  21. Türkiye: US$21.9m
  22. Singapore: US$21.7m
  23. Sri Lanka: US$21.6m
  24. Austria: US$21.5m
  25. Sweden: US$21.3m
  26. Canada: US$17.7m
  27. France: US$17.4m
  28. Malaysia: US$16.2m
  29. Slovakia: US$14.5m
  30. Bulgaria: US$14.2m
  31. Taiwan: US$13.1m
  32. North Macedonia: US$12.9m
  33. United Arab Emirates: US$12.6m
  34. United Kingdom: US$12.3m
  35. Ireland: US$12.1m
  36. Saudi Arabia: US$10.9m
  37. Hungary: US$10.4m
  38. Switzerland: US$10.3m
  39. India: US$8m
  40. Oman: US$7.3m
  41. Estonia: US$7.1m
  42. Uganda: US$7m
  43. Tunisia: US$6.8m
  44. Myanmar (Burma): US$6.6m
  45. Cambodia: US$5.3m
  46. Japan: US$5.1m
  47. Brazil: US$5m
  48. Latvia: US$4.5m
  49. Bosnia & Herzegovina: US$4.2m
  50. Slovenia: US$4.1m
  51. Lithuania: US$3.9m
  52. Philippines: US$3m
  53. Egypt: US$2.7m
  54. Croatia: US$2.5m
  55. Macao SAR China: US$1.9m
  56. Togo: US$1.8m
  57. Israel: US$1.7m
  58. Jordan: US$1.6m
  59. Australia: US$1.5m
  60. Hong Kong SAR China: US$1.4m

Top exporters

RankCountryValueShare
1 China US$620.3m 21.4%
2 Poland US$385.8m 13.3%
3 Indonesia US$258.5m 8.9%
4 Denmark US$217.5m 7.5%
5 Mexico US$127.6m 4.4%
6 United States US$105.1m 3.6%
7 Germany US$97.3m 3.4%
8 Romania US$96.9m 3.3%
9 Vietnam US$91.5m 3.2%
10 Italy US$77.8m 2.7%

Top importers

RankCountryValueShare
1 United States US$649.5m 22.4%
2 Germany US$295.1m 10.2%
3 France US$160.7m 5.6%
4 Canada US$152.3m 5.3%
5 Japan US$120.9m 4.2%
6 United Kingdom US$115.3m 4%
7 Netherlands US$96.7m 3.3%
8 Italy US$81.6m 2.8%
9 South Korea US$78.6m 2.7%
10 Switzerland US$75.1m 2.6%

Binding rulings for similar goods 15

Decisions of U.S. Customs and Border Protection (CROSS) and HMRC (Advance Tariff Rulings) on goods classified here. A ruling binds only its holder, but shows how the authorities classify similar goods. The descriptions are the authorities’ own, in English.

  • N353230 U.S. CBP 29 September 2025 · 9404.21.00.13

    The tariff classification of an uncovered foam mattress from Mexico

  • N339646 U.S. CBP 9 May 2024 · 9404.21.00.13

    The country of origin of three mattresses incorporated into a sleeper ottoman or sofa bed

  • N339705 U.S. CBP 8 May 2024 · 9404.21.00.13

    The classification of tri-fold mattresses from China

  • N339107 U.S. CBP 16 April 2024 · 9404.21.00.13

    The country of origin of three mattresses incorporated into a sleeper ottoman or sofa bed

  • N333991 U.S. CBP 27 July 2023 · 9404.21.00.95

    The tariff classification of two cot pads from China

  • N319765 U.S. CBP 16 June 2021 · 9404.21.00.95

    Classification of a Simmons Siesta Gel Foam Rollup Lounger made in China

15 rulings in total for this code

Recent rule changes mentioning this code

Acts whose text cites this code or its heading. Check the act itself: a code can be cited for reasons other than a change of its duty.

  1. US Anti-dumping

    Mattresses From Malaysia: Preliminary Results and Rescission, in Part, of Antidumping Administrative Review; 2024-2025

    FR Doc. 2026-07302 · 91 FR 20095 · Source: federalregister.gov

Rule changes →

The UK Global Tariff divides subheading 9404.21 into 2 tariff lines; the duty is 2%.

In the EU Combined Nomenclature, subheading 9404.21 covers 2 tariff lines and the duty is 3.7%.

174 countries pay no duty in the UK thanks to trade agreements and preference schemes such as DCTS Comprehensive and European Union, against a standard rate of 2%.

In the UK, additional duty of 35% applies on top of the customs duty to goods from Belarus and Russia.

Imports of foam and rubber mattresses into the UK came to £91m between September 2025 and August 2026 (up 2% on the year before); Denmark supplied 50%, followed by Poland.

In 2024, countries exported foam and rubber mattresses worth US$2.9bn (−9.3% year on year).

The largest exporter was China (US$620.3m), followed by Poland.

Products classified here

Questions and answers

What is the HS code for of cellular rubber or plastics, whether or not covered?

Of cellular rubber or plastics, whether or not covered fall under HS subheading 9404.21, part of heading 9404, in section XX of the Harmonized System.

What is the import duty on of cellular rubber or plastics in the UK?

Under the UK Global Tariff, imports under 9404.21 from countries without a preferential agreement are charged at 2%. Preferential rates, anti-dumping duties and VAT are not included.

What is the import duty on of cellular rubber or plastics in the EU?

Under the EU Combined Nomenclature, imports under 9404.21 from countries without a preferential agreement are charged at 3.7%. Preferential rates, anti-dumping duties and VAT are not included.

Which country exports the most of cellular rubber or plastics?

China, with US$620.3m in 2024 (21.4% of world exports).

Which countries can export foam and rubber mattresses to the UK duty-free?

174 countries pay no duty under a trade agreement or preference scheme, among them partners under DCTS Comprehensive, European Union, DCTS Enhanced. The goods must meet the agreement’s rules of origin and the importer needs proof of origin; otherwise the standard rate of 2% applies. Pick a country above to see its rate.

Is there anti-dumping duty on foam and rubber mattresses?

The UK charges additional duty of 35% on goods from Belarus and Russia. Lower rates apply to the named exporters listed in the measure.

Where does the UK import foam and rubber mattresses from?

In the 12 months to August 2026, the largest suppliers were Denmark (50%), Poland (15%) and China (11%), out of total imports of £91m.