Description
Expanding Corrugated Cardboard Envelopes Mailers Strong Rigid for A3 A4 A5 ItemsThese envelopes are larger than their associated paper size to ensure items of that size will fit in the envelope and to take into account that the length and width is decreased if the envelope is expanded.Rigid Cardboard Envelopes for protecting books and DVD’s etc. in transit. Made from a thick corrugated cardboard material. These envelopes have pre-defined folding lines to allow the envelope to accommodate contents up to 30mm thick at the expense of some of the envelopes height and width. The envelopes are sealed using a peel and seal strip to ensure it remains sealed during transit.
