| Type | Board Backed Envelopes |
| Manufacturer | Blake Envelopes |
| Brand | Purely Packaging |
| Biodegradable | Yes |
| Country of Origin | Germany |
| Depth (mm) | 567 |
| Height (mm) | 567 |
| Hexavalent Chromium (ppm) | No |
| Mercury (ppm) | No |
| Minimum Recycled Content (%) | 65 |
| OEM | PCE70 |
| Pre or Post Consumer? | Pre Consumer |
| Recyclable (Yes/No) | Yes |
| Recyclable Percentage | 70 |
| Recycled Product | 100% Recycled Material |
| Width (mm) | 445 |
| ISO 14001 (Y/N) | Yes |
| Green Product | Yes |
| Material | Corrugated Board |
| Closure | Peel & Seal |
| Eco-Aware | Yes |
| Biodegradable Information | 70 |
| Contains timber or derived materials | Yes |
| Species of Tree | Picea Abies/Pinus Sylvestris |
| Grammage | 300gsm |
| Country of Harvest | EU |
| Proof of Legality Obtained | Yes |
| Pre Consumer Recycled Content | 65 |
| Dimensions | 490x330mm |
| Gusset | No Gusset |
| Closure Method | Peel and Seal |
| Envelope Closure | Peel and Seal |
| Envelope Size | A3 Plus |
| Envelope Grade | Heavy Weight |
| Envelope Colour | Kraft |
| Packing Type | Document Envelope |
| 2023 UK catalogue page no | 350 |