Avery 27351 Durable Binder with Slant Rings, 11 x 8 1/2, 1 1/2", Blue Durable construction is ideal for frequent reference. Tear-resistant DuraHinge design is stronger and lasts longer. DuraEdge feature makes the sides and top more pliable, providing greater split resistance. Deeply textured film offers a smoother finish and features a linen pattern for a high-quality look and feel. Wider front and back panels fully cover standard dividers and sheet protectors.