| Reduced material | Named baseline and proposed pack, equivalent functional requirement, measured mass, calculation and revision. | Percentage, component or total pack, date and application. |
| Contains recycled content | Material-specific percentage by mass, supplier declaration or recognised certification, specification or batch scope. | Component, percentage, pre- or post-consumer basis where known and validity. |
| Recyclable | Complete construction review, component compatibility, separability, contamination conditions and relevant collection/reprocessing route. | Material stream, geography and conditions; certification only when the exact pack is certified. |
| Reusable / returnable | Design duty, inspection and repair method, defined return responsibility and operating records when actual reuse is claimed. | Lane, participants, measured rotations or clearly identified design intent. |
| Closed loop | Issued and returned assets, recapture, inspections, rotations, loss, repair and retirement route for the defined system. | Lane, fleet, reporting period and measured result. |
| Lower carbon footprint | Named baseline, functional unit, compatible method, boundary, geography, route, dataset, assumptions and review. | Exact percentage or result, excluded stages and version. |
| Carbon neutral / net zero | Full applicable inventory, reduction pathway, residual emissions, credits or removals, registry and retirement details, period and appropriate assurance. | Entity or product boundary, scopes, method, target year and continuing disclosure. |
| Compostable / biodegradable | Applicable standard, test or certification for the exact construction and specified conditions. | Industrial or home conditions, timeframe, collection route and geography. |