Product size and fit - Dimensions: 12.41 x 11.62 x 2.75 inches. Please allow 1–2 cm error due to manual measurement. - Interior layout: one zippered pocket plus two inner file pockets for organizing different files, notebooks, or memo pads. Key benefits — why you need this zipper binder - Keeps documents organized and protected: dedicated pockets and inner dividers make it easy to separate and access papers, notebooks, and pads. - Large-capacity, removable ring binder: the 2-inch, removable 3-ring binder holds up to 500 sheets, so you can consolidate large projects or classes in one portable case. - Protects contents from the elements and everyday wear: water-resistant polyester exterior and sturdy PP board dividers help keep papers dry and flat. - Easy to clean and maintain: the large binder attaches inside the bag and can be removed so you can wash the bag without disassembling documents. Materials and durability - Exterior: durable, waterproof polyester fabric that is washable and resistant to everyday wear. - Interior dividers: strong PP board that maintains structure and protects documents. - Hardware: sturdy metal buckle secures the binder closed; pressable ring ends allow quick addition or removal of pages. - Zipper: smooth operation to keep contents secure and accessible. Function and compatibility - Binder: removable 2-inch, 3-ring mechanism compatible with standard punched paper; holds up to 500 sheets. - Pockets: multiple pockets for files, books, notebooks, memo pads, and loose documents. - Carrying options: padded shoulder strap plus comfortable handles for hand or shoulder carry; padded strap reduces shoulder pinching. Practical use scenarios - Student organizer: carry textbooks, class notes, handouts, and planners in one protected case between home and school. - Professional or meeting binder: store reports, contracts, and reference materials for presentations or client visits while keeping documents clean and organized. - Travel and fieldwork: use as a portable project binder to keep permits, maps, checklists, and forms protected from moisture and damage while on the move. What makes it stand out - Combination of a removable high-capacity 3-ring binder and a water-resistant, washable bag gives flexibility for cleaning and heavy use. - Structured PP dividers maintain order and protect documents better than a soft folder alone. - Multiple carrying options plus a secure metal buckle and smooth zipper make it easy to transport and access materials reliably. Care and maintenance - Remove the 3-ring binder before washing the bag. - Wipe polyester exterior with a damp cloth; allow to air dry. What’s included - Zippered binder case with one zip pocket, two inner file pockets, removable 2-inch 3-ring binder, padded shoulder strap, and handles.