Durable and Flexible Design: Each 3 ring binder features a tear-resistant DuraHinge spine and split-resistant DuraEdge edges for long-lasting use as school binders, trading card binders, and more Compact Yet Spacious: 1 inch binders 3 ring hold up to 250 sheets each, ideal for organizing school notes, teacher supplies, office reports, or personal documents Customizable Clear Covers: Easily personalize your 2 inch binder with clear view covers on the front, back, and 0.7 inch wide spine, perfect for custom title pages or identifying contents Smooth Page Turning: The 3 ring binder 0.5 inch slant rings are back-mounted to keep pages flat and turning smoothly, so it's easy to flip through documents, dividers, and sheet protectors Extra Interior Storage: Inside each 0.5 inch binder are two interior clear pockets made from nonstick, PVC-free material, great for holding loose papers, handouts, or reference sheets securely