School Smart 5-Hole Punched Filler Paper w/Red Margin, 8-1/2 x 11 Inches, College Ruled, 500 Sheets School Smart bright white sulphite filler paper is 15 lb and five-hole punched. Paper with a red line margin has 9/32 inch ruling. Sold as a ream of 500 sheets. Great for note-taking, rough drafts and idea mapping College ruling is perfect for middle school, high school and college use A back to school necessity