Thin card case for promotional cards

摘要

The case (1) is the size of a credit card and is made of an impermeable flexible transparent plastics material. Inside the case is fixed a folded printed paper sheet (2). The case protects the folded sheet which it encloses on three dimensions. A thin object of small size can be fixed inside or outside the sheet. The case is made in a single piece and is opened by a system of hinges which are formed in a zone of least thickness (5). The case is printed on a portion of its external or internal surface. It has a closing clasp (4). One or more integral sheets can be folded in a concertina and have a tongue (3) to facilitate opening.