Classification folders offer a precise way to organize your project documents with a four-part design. End tabs make them ideal for open-shelf filing. Each file folder includes one divider & two 2" prong fasteners on the inside front & back covers to subdivide project papers. The 17 point Kraft divider has two 1" prong fasteners for further subdividing. Each folder expands up to 2" to provide plenty of room for thick stacks. Outside cover is made of 25 point Pressboard using 30 percent post-consumer material. The Kraft divider is made with 30 percent post-consumer material. Recyclable folders meet Executive Orders 13514 & 13423.