– Flexible 8-Hole Binder Size: B5 – Cover 225×271mm; Inner pages 178×258mm Pages: 40 sheets (100gsm smooth inner pages) Hole type: 8-hole binder, easy to add/remove refills Colors: Blue / White Material: Innovative PP & PU spliced waterproof cover Binding: Push-pull ring design – smooth opening without jams Key Features & Benefits Soft-Back Design: Flexible cover feels comfortable in hand, no more hard edges pressing while writing. 360° Lay-Flat Innovation: Opens fully flat for smooth note-taking and sketching. Durable & Waterproof Cover: Protects your notes from spills, scratches, and daily wear. Refillable & Reusable: Swap in different paper types (lined, grid, dotted) anytime. Smooth Writing Experience: Thick 100gsm inner pages resist ink bleed-through. Creative Aesthetic: High-appearance design with a modern spliced cover. Perfect for school, journaling, creative projects, or professional notes, this notebook combines comfort, durability, and versatility—so your ideas always have the best place to live.