The Five Star 1 Subject Quad Notebook is designed for students, creators, and professionals who need durable, high quality graph paper for notes, diagrams, and engineering work. Featuring 100 double sided sheets with 4 squares per inch graph ruling, this notebook resists ink bleed and includes easy tear perforated pages that measure 8 1/2" x 11" when removed. Tough interior pockets securely hold loose papers, while the water resistant plastic cover and Spiral Lock® wire prevent damage and snags in backpacks. Compatible with the Five Star App, you can scan, organize, and sync your notes to Google Drive for easy access anywhere. Available in assorted colours, this graph notebook blends durability, organization, and smart digital features.