Double-layer double bag envelopes

DOUBLE bag is characterized by: self-adhesive strip, strengthened seal flap, extended sides and bottom. Double bag is a double-layer three-dimensional envelope manufactured from two layers of white offset paper of various weight and dimensions. The front and bottom of the envelope have additional interlayer strengthening. The abovementioned envelopes are equipped with self-adhesive strip (HK), security system (protecting against unauthorized opening) and tear-off strip for opening. Basic application of DOUBLE bag envelopes, which guarantee the protection of their content against creasing and damage, is the sending of: collective mail, books, folders or binders. These envelopes are also a perfect solution for online and mail-order shops.