Classification folders feature six separate sections for use with open shelf filing systems. Full cut end tabs are undercut for extra visibility. Marked for easy application of color-coding labels. Sturdy 15 point pressboard covers offer 1" expansion in center and long-lasting Tyvek gussets. 1" capacity double-prong metal fasteners are permanently affixed to inside front and back covers, and double-sided fasteners are installed on 17 point kraft inner partitions. Overall expansion is 2-1/4".