3" ring not 3" spine, larger capacity: 3-ring binder with 3-inch D-shaped rings can hold up to 725 sheets of paper,Securely holds 8-1/2-by-11-inch documents; 2 interior pockets for storing loose sheets 2-pack white binder:Transparent plastic overlay allows for customizing front/back cover and spine Heavy duty d ring binder: built for strength, lasts longer and resists tearing and dural Edge that makes the sides and top more pliable to resist splitting PVC-Free & nonstick: You won't find your graphics transferred to the covers of these binders; PVC-free non-stick materials won't lift or transfer ink from your documents Versatility: Comix binders come in a variety of sizes, colors, and designs, making them versatile and suitable for different storage needs.