EZD™ rings hold up to 50% more than same size round ringsOne Touch EZD™ locking rings open with ease and keep pages secureGap Free™ ring prevents gapping and misalignment of ringsExtra-wide covers for use with sheet protectors and extra-wide dividersClear window lets you customize your binderMade with 100% recycled chipboardOrganize and secure paper with four stacked pocketsNonstick, archival-safe material won't lift ink or toner off printed pagesPages lie flat with back-mounted rings