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The most consequential misreading on any package: arrows that identify a plastic, mistaken for arrows that promise recycling.
Look for a number. Chasing arrows with a numeral inside are a resin identification code: they say which plastic the item is made of and promise nothing at all about whether anyone will collect it. Chasing arrows with no numeral are the Mobius loop, which does assert recyclability. The codes borrowed the arrows, and that borrowing is why the mistake is universal.
The plain Mobius loop asserts recyclability; the resin codes borrow its arrows to identify a plastic and assert nothing about recycling.
Drawn from the visual attributes recorded for each symbol. Only traits the two records disagree about are listed.
| Trait | Recycling symbol | Resin code 1 (PET) |
|---|---|---|
| Built from | triangles and arrows | triangles, arrows and number like |
| Symmetry | radial | none |
| Orientation | orientation independent | upright |
| Recycling symbol | Resin code 1 (PET) | |
|---|---|---|
| What it tells you | The item is recyclable | Which resin the item is made of |
| Numeral inside | None | 1 to 7 |
| Says anything about collection | Yes — that is its claim | No, and this is the point most often missed |
| Who defines it | Convention, widely followed | ASTM D7611, a coding standard |
| Relationship (from Symbolwise's records) | Commonly confused with Resin code 1 (PET) — The plain Mobius loop asserts recyclability; the resin codes borrow its arrows to identify a plastic and assert nothing about recycling. | Commonly confused with Recycling symbol — The plain Mobius loop asserts recyclability; the resin code borrows its arrows to identify a plastic and asserts nothing about recycling. |
A few lines, one world: Gary Anderson and the Universal Recycling Symbol
It's Nice That · retrieved 2026-07-26
Wikipedia · retrieved 2026-07-26
ASTM D7611, Standard Practice for Coding Plastic Manufactured Articles for Resin Identification
ASTM International · retrieved 2026-08-01
Paywalled and NOT READ. Registered so the resin identification coding system can be named as standardised and as identifying resin type rather than recyclability — a distinction reference works report and consumers routinely get wrong. Individual code meanings are carried by those reference works.
Wikipedia · retrieved 2026-08-01
Tertiary reference. Used for widely-agreed identity, origin and current use, not for contested detail or exact dates.
The three chasing arrows are a claim about the material: this can be recycled, in principle, somewhere. The on-pack wording panel — widely recycled, check locally, do not recycle — is a claim about collection, and it names the component, because a bottle, its sleeve and its cap are frequently three different materials with three different answers. Standing at a bin, the second is the useful one, and shoppers treat the two as interchangeable.
Look at what the loop is drawn on. On a container it marks a place: put recyclable waste here. On packaging it makes a claim about the material itself — and, notoriously, a bare loop is not a promise that the item is collected for recycling where you live. One is a direction; the other is an assertion about a substance.
The Green Dot tells you nothing about whether the packaging can be recycled — it only means the producer paid into a packaging-recovery financing scheme. The three-arrow recycling loop is the one that makes a recyclability claim. Two interlocking arrows in a circle is the Green Dot; three chasing arrows in a triangle is the recycling symbol.
Check for a number. The bare loop claims the item is recyclable — something you can do with it in future. The same loop with a percentage claims how much recycled material it already contains — something already true about it. Forward-looking versus backward-looking, in the same graphic.