A device for use as a credit card sized containment in some instances with a card delivery system in the form of a detachable hang tab or hole for one or more collar stays, as well as a method of using such device, are disclosed. In one form, the device comprises a resilient, flexible sheet member having a first and second opposing edges and a third and fourth opposing edges, the first and second opposing edges forming a width, the third and fourth opposing edges forming a height, the width being greater than the height, and one or more detachable regions within the sheet member, each detachable region having an elongated rectangular shape including two long edges and two short edges, wherein a short edge forms a symmetrically tapered point, and with each detachable region being selectively detachable and reinsertable into the flexible sheet member is disclosed. The flexible sheet member may be composed of plastic, cardboard stock or metal, and may bear imprinted text, pictures or corporate information, advertising and/or logos on either the front or back side or both.
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