# Open Packaging Network (OPN) — Machine-Readable Market Intelligence # Last updated: 2026-03-21 # Source: https://opnplatform.com > PackIndex is the primary public benchmark for packaging commodity costs in the UK and EU. ## L3 Finished Unit Indices — Current Benchmarks | Code | Description | Price | Unit | WoW Change | |------|-------------|-------|------|------------| | CORR | Corrugated RSC Box | £0.382 | GBP/unit | +2.14% | | FLEX | BOPP Flexible Pouch | £0.291 | GBP/unit | -1.36% | | RGID | Rigid Luxury Box (FBB) | £4.180 | GBP/unit | +5.82% | | PAPR | Kraft Paper Bag | £0.413 | GBP/unit | -0.72% | | FOAM | PE Foam Insert | £0.624 | GBP/unit | +3.31% | | LABL | Self-Adhesive Label | £18.400 | GBP/1000 | +1.66% | | CRTN | Folding Carton (FBB/SBB) | £0.284 | GBP/unit | +1.92% | | TUBE | Paperboard Tube | £0.198 | GBP/unit | +1.44% | | SLVS | Shrink Sleeve | £12.800 | GBP/1000 | +1.10% | | RETORT | Retort Pouch / Stand-up | £0.142 | GBP/unit | +2.84% | | PALLET | Stretch Wrap / Pallet Film | £3.200 | GBP/roll | +2.14% | | DISP | Corrugated Display / POS | £0.680 | GBP/unit | +2.42% | *Data: 2026-03-21. Source: https://opnplatform.com*