ZEBRA Check Sheet Set and MONO Eraser Set (4 Erasers), perfect for memorization. ① Check Sheet - Red - Brand: ZEBRA - Product Name: CHECK SHEET - Color: Red - Purpose: Check sheets for memorization - Sizes: Textbook size x 5 Crown size x 1 Concise size x 2 - Total: 7 sheets ② MONO Eraser 4 pieces Thank you for viewing. The check sheets have been used a few times during certification exams, so they are not unused. The 4 erasers are unused.