Wicketed envelopes with detachable fastener region

A flight of wicketed envelopes, the flight comprising:

• a plurality of envelopes, each of the envelopes including:
• a first flexible wall;
• and
• a second flexible wall overlying the first flexible wall and fixed to the first flexible wall about at least a portion of a pocket border, which pocket border encloses a pocket defined between the walls and configured and dimensioned to contain an item, at least one of the first and second flexible walls defining an envelope pocket opening extending in a transverse direction of the envelope and allowing access to the envelope pocket from an exterior of the envelope for loading the item into the envelope pocket;
• and
• a fastener configured to engage the plurality of envelopes through a detachable region on the envelopes so that the envelopes are connected by the detachable regions and the fastener, wherein:
• the envelope has a width in the transverse direction;
• and
• a maximum dimension of the detachable region in the transverse direction is less than the width of the envelope.