Rather than having your pin badges stashed in a box or even worse, still in the packaging that you received them in through the post, why not treat yourself to one of these display options. A4 Black or Clear Folder inserts (x5) - £4 These folder sleeves are made of a high quality polypropylene, which are environmentally friendly, non-toxic and have reinforced heat-sealed seam edges. These inserts fit inside most A4 ring binder/folders.