COLOR-CODED ORGANIZATION：Effortlessly manage multiple subjects with our vibrant color assortment. Each 1-subject notebook's bold hue allows instant visual identification—perfect for students, professionals, or busy parents juggling schedules COLLEGE RULED: ONAVIA 8" x 10.5" college ruled spiral notebook features 70 sheets(140 pages) premium sturdy and ink-bleed resistant paper with red margin lines and is 3-hole punched. Write with confidence using gel pens, markers, or highlighters – minimal ink bleed-through ensures crisp, clean notes, which makes them the perfect for school students, office professionals, or busy parents juggling schedules, perfect choice for School, Home or Office needs 3-HOLE PUNCHED PAGES + MICRO-PERFORATED EDGES: These high-efficiency designs let you tear out 10 1/2" x 7 1/2" sheets cleanly for binders or submissions, or easily organize and store your notes in a 3-ring standard binder, reducing clutter in your study or work area. College-ruled lines (9/32") maximize writing space without crowding—ideal for note taking, lectures, meetings, or creative brainstorming LAY-FLAT DESIGN & DURABLE COIL SPIRAL：Reinforced spiral binding lays completely flat for tangle-free writing and comfortable note-taking in class, meetings, or on the go. The rust-resistant, thick-gauge wire prevents snags, keeps pages securely bound, allows easy flipping and resists snags. High quality paper, cardboard back cover provides solid surface for smooth writing COST-EFFECTIVE BULK PACK FOR STUDENTS & FAMILIES: A 12-pack of premium spiral notebooks college ruled offers exceptional value for teachers organizing classroom supplies, parents managing back-to-school essentials, or offices streamlining bulk documentation. Built to withstand daily use, the wear-resistant covers and reinforced spiral binding ensure reliable performance through semester-long projects, science labs, or weekly household planning ONAVIA Subject Notebook Black, 12 Pack