This shirt is made of glossy card, a card of a unique quality, homogeneous and tinted, without varnishes or adding plastic. It is stronger than any card to use. The springs of this filing shirt ensure simplicity and safety of use. They allow you to properly link a punched document. The cover is impimed to identify the content. Designed for perforated A4 documents, 80 mm spacing, it holds up to 300 A4 sheets 80g/m2.