1 case of 12 Packs, 12 Count Total Three-ring binder with 1.5-inch D-shaped rings can hold up to 350 sheets of paper,Securely holds 8-1/2-by-11-inch documents; 2 interior pockets for storing loose sheets The D-shaped rings provide a higher capacity for holding documents than O-shaped rings. Built for sturdy construction and long-lasting durability, ensuring that your important documents, notes, or study materials are safely stored. Customizable View Covers: Customizable covers allow you to insert a custom cover with your name, logo, or artwork to make it unique Whether you are a student, teacher, professional, or business owner, these binders serve as a reliable storage solution for all your important papers, notes, and presentations. These binders are highly portable with their lightweight design. Whether you're attending meetings, traveling, or simply need to carry your documents around, these binders are easy to transport without compromising your organization. ViVin Sturdy 1.5 Inch D Ring Binders, 1.5'' 3 Ring View Binder with Customizable Clear Cover, Holds 350 Sheets of 8.5" x 11" Paper, 12 Pack, Black