Features: 【Multiple colour option, flexible categorisation】Four-colour sticky note card design, allowing users to categorise and organise according to their needs. 【Convenient tear-off, use as you like】Features a tear-off design for smooth tearing without damaging paper. 【Durable and Long-Lasting】Combining paper and metal, the notebook offering a sturdy structure that remaining intact even with prolonged use. 【Compact and Portable】The compact size makes it easy to carry in a bag or pocket, allowing you to write down notes easily. 【Nature Friendly 】Made from nature friendly paper, the notebook ensures smooth writing safeguarding both user health and the environment. Specifications: Component: Paper + Metal Process: Tearable coil design for easy page turning and tearing Parameters: Each book contains 50 sticky notes Size:about 12.7x6.5cm/5x2.56in, portable and compact, suitable for carrying around Color： four-color combination （2 Option） Package Includes: 4pcs/Set Sticky note paper note card book note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.