Sturdy construction perfect for frequently accessed files. Acrylic coated 25 pt. Pressed cardboard covers resist moisture. Embossed 2-inch capacity fasteners are embedded in the covers for added durability. 17 pt. Kraft dividers feature 1-inch two-way capacity fasteners. Matching reinforced tear-proof tape gussets for long-lasting expansion. 2/5 top tabs cut in the right of center position for quick in-line presentation. Acid free. This product is made from wood from a certified managed forest.