Abstract: A panelled mailing bag with zippered opening and a spaced two-part address card mounting pocket on a panel thereof with a card so received therein that the mid portion is exposed to receive postage and enable ready cancellation thereof. The card is apertured for securement by seal means to the zipper slide and eyeletted patches on the bag panels whereby the slide is maintained in closed locked position and unauthorized access to the bag is prevented without leaving overt evidence.

Abstract: Tamper proof security mail and bag collection bag including front and rear wall panels and gusseted side walls wherein the mouth end of the front panel is reinforced with steel plates and terminates below the reinforced plated rear wall, and the latter has spaced clevis pins therein and a pair of foldable reinforced plated wing members formed thereon and foldable relative thereto, with the gussets, wing members and front panel having grommeted eyelets therein alignable with the clevis pins enabling the wing members to be folded inwardly and the mouth end of the rear panel and the wing members to be single folded downwardly over the front panel so that the clevis pins project through the eyelets and receive padlock means for securing the bag mouth and gussets in closed untampering position. The plates in the front panel are midway spaced apart and enable this wall to be moved outwardly, when unlocked, to provide a large fully expanded V-shaped opening for the entry and removal of bag contents therethrough.

Abstract: A panelled mailing bag with zippered opening and a spaced two-part address card mounting pocket on a panel thereof with a card so received therein that the mid portion is exposed to receive postage and enable ready cancellation thereof. The card is apertured for securement by seal means to the zipper slide to retain the card in its pocket and the slide zipper in closed position.

Abstract: A zippered opening flexible walled security container having a lock for securing the zipper slide fastener in locked position wherein the lock is so secured to the container walls to prevent button holing of the attachment means and back feeding of the lock and slide fastener to provide access to the container and surreptitious removal of its contents.