SUIN Adjustable 1'' 3 Ring Binders, Plastic 1 Inch O-Rings Binder, Holds 200 Sheets Letter Size 8.5 x 11'',Used for School Office Home, Assorted 4 Colors,

["EXPANDABLE SPINE DESIGN: Adjustable 1 inch spine expands to hold up to 200 letter-size sheets when full, retracts when empty for space-saving storage on desks, shelves, or in backpacks.","4-COLOR ASSORTMENT: Pack includes Red, Blue, Sky Blue, and Black binders perfect for color-coding different subjects, projects, clients, or categories for quick identification and organization.","CLEAR VIEW CUSTOMIZATION: Transparent overlay pockets on front and back covers allow you to insert custom title pages, labels, or identification sheets for personalized organization.","FLEXIBLE PLASTIC CONSTRUCTION: Durable plastic covers fold back 360 degrees to create a flat writing surface, making it easy to take notes, review documents, or work on the go.","VERSATILE 3-RING SYSTEM: Standard 3-ring mechanism holds letter size 8.5 x 11 inch paper securely. Lightweight and portable design adapts to school, office, home filing, or travel needs."]