DuraHinge design that's stronger, lasts longer and resists tearing EZD rings provide increased capacity compared to same-size slant and round rings DuraEdge makes the sides and top more pliable to resist splitting Durable construction for frequent reference Deep-texture film offers a smoother finish for high-quality look and feel Organize and secure paper with 4 interior pockets Wide binder panels fully cover standard dividers and sheet protectors Nonstick material won't lift ink or toner off printed pages Pages lie flat with back-mounted rings