KOKUYO Smart Ring Binder Notebooks, 2 Pcs B5 Refillable Notebook, 8mm Ruled, 20 Sheets Each, Plus Extra 50 Sheets 5x5 Graph Loose Leaf Paper, 25 Sheet Capacity, Ideal for School & Work, Black & White

Premium 2-Pack B5 Notebook-Like Binders: Kokuyo Smart Ring binder notebook, 26 holes, 10.6x8.2 inches. PP covers in black and white. Maximum capacity: 25 sheets of loose leaf paper

• Premium 2-Pack B5 Notebook-Like Binders: Kokuyo Smart Ring binder notebook, 26 holes, 10.6x8.2 inches. PP covers in black and white. Maximum capacity: 25 sheets of loose leaf paper
• Innovative Smart Ring System: 1.Unlock: Push out the bottom lock to the left; 2.Open: Press the plastic button on top to open rings; 3.Close: After replacing papers, pinch the rings together
• Ultra-thin Design with Secure Lock: Slim profile fits easily in your bag, saving space. Smart ring design with lock prevents accidental opening, ensuring your papers stay secure during transport
• 360° Foldable, 180° Lay Flat: Great refillable notebook binders for meetings and classes, they not only lay flat for writing, but the cover flips back to save space on your desk. Wider, frosted cover protects and displays index tabs clearly
• Kokuyo Original Papers: Each Kokuyo notebook binder contains 20 sheets of B5 Campus Sarasara loose-leaf paper, Meanwhile, This pack come with 40 sheets and each with 36 lines of 8mm ruled lines, and 50 sheets grid filler paper for extra, you will receive 90 sheets in total. The paper is pH neutral and of archival quality