The OEM Avery EZD Heavy-Duty Reference Binder AVE79883 is designed for durability and ease of use. It features One Touch EZD locking rings that open effortlessly and securely hold your pages. The gap-free ring design prevents misalignment, ensuring that pages lie flat. With a 3-ring capacity, this binder can accommodate approximately 670 sheets, making it ideal for large projects. The wide front and back panels fully cover standard dividers and sheet protectors, providing protection for your letter-size paperwork. Additionally, it includes four clear interior pockets that can hold up to 40 sheets each, perfect for storing handouts and loose pages.