DuraHinge design is stronger, lasts longer and resists tearing, and DuraEdge feature makes the sides and top more pliable to resist splitting Deep texture film offers a smoother finish and features a linen pattern for high-quality look and feel One Touch EZD locking rings open with ease and keep pages secure Gap-free design keeps pages from falling out Nonstick, archival-safe material won't lift ink or toner off printed pages