If you need more volume but require the protection offered by a board back, we advise you to use a Parüfa board expansion mailer. The product is a combination of a board back and a gusset envelope. Due to the gusset, the volume is much larger. The board back offers greater stability.
| format length | format width | expansion | length of flaps |
|---|---|---|---|
| 140 to 650 mm | 140 to 500 mm | 20 to 100 mm | 0 to 150 mm |
| window | rubber coating | material | |
|---|---|---|---|
| film or pergamin |
|
|
paper and composite material from 100 to 300 gsm |
Additional service: To shrink-wrap into foil
Not all production options are combinable, please inquire directly with us.