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|
|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.