Ideal for big, bulky files that get plenty of use, these folders are constructed with heavy-duty 25 pt. pressboard and matching color TyvekÔŅĹ gussets. 2" capacity prong fasteners at top of folder. Straight cut tabs (labels sold separately). File Folder Type: End Tab; Expanding; Recycled; Size: Letter; Folder Material: 25 pt. Pressboard; Color(s): Gray-Green.