Ideal for displaying, storing and protecting artwork, documents, prints, posters, architectural drawings, maps, plans, presentations and much more. These ultra-light and super-strong sleeves are made from heavy-duty 8 mil rigid clear flexible vinyl with reinforced double stitched binding on all sides. The opening is on the short side. Includes a removable two-sided white acid-free cardboard insert for rigidity. Artwork may be inserted and displayed on both sides.