| Brand | Challenge |
| Manufacturer | Hamelin |
| Type | Duplicate Books |
| Biodegradable | Yes |
| Country of Origin | United Kingdom |
| Depth (mm) | 212 |
| Height (mm) | 212 |
| OEM | 100080527 |
| Recyclable (Yes/No) | Yes |
| Width (mm) | 298 |
| Colour | Blue |
| ISO 14001 (Y/N) | Yes |
| Green Product | Yes |
| Size | Other Sizes |
| Contains timber or derived materials | Yes |
| Paper Size | 297 x 195mm |
| Binding | Taped Cloth Binding |
| Cover Colour | Blue |
| Item Gauge (gsm) | 56 |
| Perforated | Yes |
| Ruling | Ruled |
| Rulings | Feint Ruled |
| Paper Colour | Blue |
| Biodegradable Information | 100 |
| Minimum Recycled Content (%) | 100 |
| Dimensions | 297x195mm |
| Cover Material | Board Cover |
| Warranty | 12 Months |
| Accreditation | ISO 14001 |
| Duplicate/Triplicate | Duplicate |
| Copy | NCR |
| Numbered | 1-50 |
| On Promotion | No |
| No of Carbon Paper Sheets | 100 |
| Number of Sets | 100 |
| 2023 UK catalogue page no | 196 |
| 2024 UK catalogue page no | 202 |
| Minimum Biodegradable Content (%) | 100 |
| Superseded From | DS6929 |
| Number of Carbon Paper Sheets | 100 |