Western standard envelope
| Product description | 5.6.7.9 envelope | |
| size | national standard | |
| paper | 100G double adhesive | |
| printing | 4C/0C | |
| surface treatment | nothing | |
| binding | Die cutting + stick bag | |
| packing | Matching with OPP bag + five layer carton | |
| remarks | Design can provide design. | |
