Amazon Basics Heavy-Duty D-Ring Binder - 4 Inch, Black, 2-Pack
Brand: Amazon Basics
Color: Black
Heavy-duty binder (4-inch, black, 2-pack) for extended use; holds 8.5-by-11-inch documents; 780-sheet capacity
Binder thickness measured by ring size, not the spine
3 D-shaped rings; rings hold up to 50% more than same-size round rings and up to 20% more than slant rings
Full-length clear pockets on front cover, back cover, and spine for easy customizing; 2 half-length interior pockets for storing loose sheets
EZ one-touch opening mechanism; ideal for organizing projects, presentations, and more