Five Star Graph Ruled Reinforced Filler Paper 4 Sq/Inch 80 Sheets/Pack Five Star Graph Ruled Reinforced Filler Paper, 4 squares per inch, 80 sheets per pack. This durable filler paper is designed to be tough, offering double the strength of competitors and heavyweight paper that fights ink bleed. Perfect for school, drafting, or any precise writing needs. This listing is for a single pack of 80 sheets. New and sealed.