Advantus Corp. Products - Chart, EZ Grader, 8-1/2"x4-3/4"x1/8" - Sold as 1 EA - Chart is thin enough to fit inside any folder or binder and durable enough to withstand the battles of classroom instruction. Calculate grade percentages for up to 95 problems. Sold as 1 EA Manufacturer: Advantus Corp. Total percentage of recycled content: 0 Post Consumer Waste: 0 Country of origin: US