Patent attributes
A shipping mailer has a first wall and a second wall that at least partially define an interior of the shipping mailer. The shipping mailer has a closed first end portion and a second end portion, the second end portion comprising an opening sealable by a closure. A plurality of corrugations are coupled to the first wall and to the second wall in the interior of the shipping mailer. The corrugations of the first wall and the corrugations of the second wall have respective preformed fold lines at the closed first end portion about which the first wall and the second wall are configured to fold when an object is inserted into the shipping mailer to create an end wall extending between the first and second walls at the closed first end portion of the shipping mailer.