5 Ring A4/Long Binder Folder Loose Leaf Folder Flexible Round Binder Document Organizer Waterproof 27x37x3.5CM

Material: Eco-friendly PP + Metal RingSize: Unfolded 37cm (height) × 27cm (width)Compatible paper: A4/Yellow pad size loose-leaf paperColor：Blue, Green, Pink, YellowProduct description:This 5-ring binder is crafted from high-density PP (polypropylene) material, combining portability and durability. The surface is coated with a waterproof layer, effectively resisting daily liquid erosion such as water stains and coffee spills. With a gentle wipe, it can be restored to its clean state, keeping documents dry and fresh for a long time. The high-quality metal rings are selected, ensuring smooth opening and closing without any jamming. It can easily accommodate 150-200 standard A4 papers, meeting the needs for organizing vast amounts of information.Humanized details:Thickened PP board (1.2mm) is resistant to bending and remains undeformed even after long-term useThe buckle is internally treated with rust-proofing, ensuring it does not rust in humid environmentsNon-perforated documents can be placed on the left sideWith a 37cm heightened design, the top of the document is not exposed, preventing wear and tearScenario application:Student group: Organize class notes and mistake collectionOffice workers: File contracts/reports and carry meeting materials with youCreator: Collect design drafts and inspiration materials