The BookLop is based on a sophisticated design. The extra creases create an air pocket that provides additional protection during postage. This makes the BookLop perfect for sending postal items of 10 to 25 mm in thickness.


The BookLop can be used as postal packaging for heavy books or brochures, luxury print work, and annual reports. The BookLop can also be used for eye-catching direct mail campaigns.

The BookLop is available from stock in 450-gram extra thick, white coated greyboard (FSC certified). These envelopes feature our special TearStrip for easy opening.


These sturdy cardboard envelopes have an opening on the long edge, which makes them easy to fill.


The BookLop can also be printed with your logo. For custom envelopes, we offer a card thickness of up to 550 grams.


Keiren has the production facilities to create custom envelopes entirely in-house.

Do you wish more information about Booklop envelopes?

Leave your question with our salesdepartment or with the accountmanager Erik Bijl.

Click at the contactbutton for the contactdetails.