Personalized envelope device for e.g. postal package in industrial sector, has two or three openings possessing variable shape and thickness, and pocket folders placed inside device or at front or back of device

摘要

The device has two or three openings possessing variable shape and thickness, where self-adhesive protective strips are integrated to the device and the device is precut with a dotted line. Pocket folders possessing variable shape and dimension, are placed inside the device or at the front or the back of the device.