Use this set of 31 paper index dividers with durable, clear-coated tabs numbered 1 to 31 to organize your flies or add professional appearance to your project. Dividers are made of heavy-duty, buff-colored paper that is reinforced at binding edge and punched with three 9/32" holes to fit in standard, letter-size, three-ring binders. Tabs extend 3/8" and are clearly visible on both sides.