The spiral graph notebook is a black hardcover spiral note pad with grid paper specially designed for note-taking, journal, writing, copying, making a hand account, etc. Widely used in home, travel, office, classroom, meeting and some other places.SpecificationMaterial: Paper, Metal, PPColor: BlackCover Style: Black PP HardCoverPaper Style: Grid PaperSheets/ Pages: 80 Sheets/ 160 PagesPapers Total Weight: 80 gsmSize: A4 Size (297 x 213 mm/ 11.69 x 8.39 inch)Packing List: 3 x A4 Spiral Graph NotebookAdvantageMetal double-circle spiral binding, page turning is fluent and not stuck, durable and prevent paper from falling off. The cover made of PP material, waterproof, dirt-resistant.Thickened paper can prevent the ink from seeping in from the reverse side.InstructionEasy to use, simply write what you want on paper.