Classification folders feature a 25 point, durable Pressboard covers with strong Tyvek gussets. The embedded 2" metal fasteners inside front and back covers each offer a 2" capacity. Three dividers made of sturdy, 17 point Kraft stock create eight sections. Each divider features a double-sided fastener so the folder offers a total of eight fasteners. Each folder offers a 3" expansion for thick stacks of project documents.