| Type | Window Envelopes | 
| Manufacturer | VOW | 
| Brand | Q-Connect | 
| Eco-Aware | Yes | 
| Biodegradable | Yes | 
| Country of Origin | United Kingdom | 
| Depth (mm) | 375 | 
| Height (mm) | 375 | 
| OEM | KF3535 | 
| Pre or Post Consumer? | Pre Consumer | 
| Recyclable (Yes/No) | Yes | 
| Recyclable Percentage | 100 | 
| Width (mm) | 240 | 
| Colour | White | 
| ISO 14001 (Y/N) | Yes | 
| Green Product | Yes | 
| Size | C4 | 
| Closure | Self Seal | 
| Biodegradable Information | 95 | 
| Contains timber or derived materials | Yes | 
| Mill Name | Upm – Kymmene Corporation | 
| Species of Tree | Aspen/Birch/Pine/Spruce 71% Hardwood/29% Softwood | 
| Environment Support | 95% Biodegradable and Nordic Swan Certified | 
| Item Gauge (gsm) | 100 | 
| Grammage | 100gsm | 
| Pre Consumer Recycled Content | 100 | 
| Dimensions | 324x229mm | 
| Gusset | No Gusset | 
| Envelope Closure | Self Seal | 
| Envelope Size | C4 | 
| Envelope Type | Window | 
| Accreditation | PEFC | 
| Envelope Grade | Medium Weight | 
| Envelope Window Depth | 40 | 
| Envelope Window Position | B 40 x 105mm - 24mm in  213mm up | 
| Envelope Window Position In | 24 | 
| Envelope Window Position Up | 213 | 
| Envelope Window Width | 105 | 
| Nordic Swan (Y/N) | Yes | 
| PEFC (Y/N) | Yes | 
| Exertis Code | 15560BL | 
| 2024 UK catalogue page no | 320 |