Material: Made of high quality PU leather, comfortable to touch and durable Magnetic buckle design, easy to use. 6-Ring Binder: The 6-ring binder is made of sturdy stainless steel, which can hold the paper firmly and prevent it from falling out. With an inner diameter of 2 cm, the binder can hold 80-100 sheets of paper for your daily needs. MULTIFUNCTIONAL: There are multiple pockets inside the notebook to store business cards, ID cards, documents, receipts, a convenient pen holder so you never lose your pen, (we included a well-made black pen). It is very practical and will provide you a lot of convenience. Magnetic clasp: The magnetic clasp can be easily closed with a light button, and the closure is very tight when attracted by a strong magnet, which is very convenient. Portable and Lightweight: Perfect for Home, School, Office and Travel Suitable for Spiral Diary, Travel Diary, Business, Study Notes, a5 Travel Notebook.