How to fold mailer boxes?

Your Mailer Boxes are shipped to you in a stack. We recommend keeping them that way and fold one at a time.  Read here about the storing tips


This is the interior of your box. The bending lines indicate where your box will be further folded.


Fold the walls at the lines. It will facilitate the next steps.

Note: Do not press the walls at the folding lines with too much strength. The fold angle should not be bigger than 90-degrees.

folding boxes packhelp_2


Every mailer box has double bending lines in two of its walls. If you do not fold the cardboard in those two lines, your box will not be assembled correctly.

folding boxes_packhelp_3


The next step is to assemble the interior walls of your box. We suggest to first fold the walls on the sides, as in the picture.

folding boxes_packhelp_4


Tuck your sides into the interior of the box. The sticking elements should fit into the slit in the bottom of your packaging. 

folding boxes_packhelp_5


Fold the remaining sides of your box. Your wings should fit into the side panels.

folding boxes packhelp_6


Your box is ready for your customers!

folding boxes packhelp_7


A tip for the assembly of Mailer Box F44.

When folding the shorter walls, bend the inner wings like in the photo below. It is crucial for your box to be correctly closed.

folding mailer box f44

If you need any further assistance with the assembly process, contact our team.