Tough, heavyweight 25-point pressboard folders resist wear and tear and are ideal for bulky, heavy files. Accordion pleat is reinforced with Tyvek� tape to ensure expansion gusset durability. Environmentally conscious, quality-first manufacturing processes make these folders ideal for the contemporary office. File Folder Type: Expanding; Recycled; Top Tab; Size: Letter; Folder Material: 25 pt. Pressboard; Color(s): Blue.