| Weight（g） | Outer frame size（mm） | Internal paper size（mm） | ||
| long | wide | long | wide | |
| 2 | 49 | 20 | 33 | 10 |
| 2.3 | 58 | 21 | 40 | 11 |
Email : sales@ysforging.cn
Phone : 0086-539-2254291 / 2275670
| Weight（g） | Outer frame size（mm） | Internal paper size（mm） | ||
| long | wide | long | wide | |
| 2 | 49 | 20 | 33 | 10 |
| 2.3 | 58 | 21 | 40 | 11 |
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