| Outer Size | Fit Size | |
| Fit A6 | 188 x 138mm | A6 150 x 100mm (or under) poster |
| Fit A5 | 245 x 188mm | A5 210 x 150mm (or under) poster |
| Fit A4 | 335 x 245mm | A4 297 x 210mm (or under) poster |
| Fit A3 | 455 x 335mm | A3 420 x 297mm (or under) poster |
| Fit A2 | 640 x 465mm | A2 594 x 420mm (or under) poster |
| Fit A1 | 885 x 640mm | A1 841 x 594mm (or under) poster |
