# HS code 3923.21: Sacks and bags (including cones), of polymers of ethylene

> HS code 3923.21 covers sacks and bags (including cones), of polymers of ethylene. It sits in heading 39.23 (articles for the conveyance or packing of goods, of plastics; stoppers, lids, caps and other closures, of plastics) in chapter 39 (plastics and articles thereof). Other goods of heading 39.23 are classified under 3923.10 (boxes, cases, crates and similar articles), 3923.29 (sacks and bags (including cones), of other plastics), 3923.30 (carboys, bottles, flasks and similar articles), 3923.40 (spools, cops, bobbins or similar supports) and 2 others. National tariff lines under 3923.21 are live on border.bot for the United States (6 lines, also used by 1 other country).

Source: https://border.bot/hs-codes/392321
Last updated: 11 October 2026

[HS codes](https://border.bot/hs-codes) / [Chapter 39](https://border.bot/hs-codes/39) / [39.23](https://border.bot/hs-codes/3923) / [3923.21](https://border.bot/hs-codes/392321)

## Key facts

- HS code: 3923.21
- Covers: Sacks and bags (including cones), of polymers of ethylene
- Heading: [39.23: Articles for the conveyance or packing of goods, of plastics; stoppers, lids, caps and other closures, of plastics](https://border.bot/hs-codes/3923)
- Chapter: [39: Plastics and articles thereof](https://border.bot/hs-codes/39)
- Edition: HS2022
- Duty in the United States: [See its 6 lines](https://border.bot/countries/united-states/hs-codes/392321)

## What this code covers

HS code 3923.21 covers sacks and bags (including cones), of polymers of ethylene.

The legal text of the subheading is “Sacks and bags (including cones): Of polymers of ethylene”, read under “Sacks and bags (including cones)”, in HS2022.

## What it doesn’t cover

Other goods of heading 39.23 are classified under 3923.10 (boxes, cases, crates and similar articles), 3923.29 (sacks and bags (including cones), of other plastics), 3923.30 (carboys, bottles, flasks and similar articles), 3923.40 (spools, cops, bobbins or similar supports) and 2 others.

- [3923.10](https://border.bot/hs-codes/392310) Boxes, cases, crates and similar articles
- [3923.29](https://border.bot/hs-codes/392329) Sacks and bags (including cones): Of other plastics
- [3923.30](https://border.bot/hs-codes/392330) Carboys, bottles, flasks and similar articles
- [3923.40](https://border.bot/hs-codes/392340) Spools, cops, bobbins and similar supports
- [3923.50](https://border.bot/hs-codes/392350) Stoppers, lids, caps and other closures
- [3923.90](https://border.bot/hs-codes/392390) Other

## How it is structured

3923.21 is a six-digit subheading. Its first two digits, 39, are the chapter; the first four, 3923, are heading 39.23; the last two, 21, identify the subheading within the heading.

Countries add their own digits after these six for their national tariff lines.

- Chapter 39: Plastics and articles thereof
- Heading 39.23: Articles for the conveyance or packing of goods, of plastics; stoppers, lids, caps and other closures, of plastics
- Within the heading: Sacks and bags (including cones)
- Subheading 3923.21: Of polymers of ethylene

## In other countries

National tariff lines under 3923.21 are live on border.bot for the United States (6 lines, also used by 1 other country).

- [United States](https://border.bot/countries/united-states/hs-codes/392321): 6 lines, used by 1 other country

- Previous subheading: [3923.10](https://border.bot/hs-codes/392310) Boxes, cases, crates and similar articles
- Next subheading: [3923.29](https://border.bot/hs-codes/392329) Sacks and bags (including cones): Of other plastics

## Frequently asked questions

### What does HS code 3923.21 cover?

HS code 3923.21 covers sacks and bags (including cones), of polymers of ethylene.

### Which heading and chapter is HS code 3923.21 in?

HS code 3923.21 is in heading 39.23 (articles for the conveyance or packing of goods, of plastics; stoppers, lids, caps and other closures, of plastics) in chapter 39 (plastics and articles thereof).

### Where are goods of heading 39.23 classified when 3923.21 doesn’t fit?

Other goods of heading 39.23 are classified under 3923.10 (boxes, cases, crates and similar articles), 3923.29 (sacks and bags (including cones), of other plastics), 3923.30 (carboys, bottles, flasks and similar articles), 3923.40 (spools, cops, bobbins or similar supports) and 2 others.

### Which countries’ tariffs list national lines under HS code 3923.21?

National tariff lines under 3923.21 are live on border.bot for the United States (6 lines, also used by 1 other country).

## Sources and updates

The Harmonized System legal text comes from border.bot release 2 (edition HS 2022), imported from a file, and has been live since 11 October 2026.

This page was last updated on 11 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.

Machine-readable: https://border.bot/hs-codes/392321.json