This two - pack set of spiral notebooks features hard covers that are sturdy and durable, and the rounded - corner design makes them comfortable to carry. The inner pages have a ruled layout with a scientific line spacing, and each notebook contains 80 sheets, totaling 160 pages. The paper is smooth and resistant to ink bleeding, suitable for various writing tools. Measuring 5.8×8.3 inches, they are compact and portable. Ideal for jotting down study and work key points or creative inspirations, they also make great gifts.