The product is a lot of two math workbooks from the Math In Focus series by Marshall Cavendish. These workbooks, titled 5A+ and 5B, are designed for education purposes and are written in English. The workbooks cover the subject of math and are published by Marshall Cavendish. Each workbook has dimensions of 11 inches in height and 8.9 inches in width, making them convenient for students to use for studying and practicing math concepts.