Avery Heavy-Duty View Binder with 4-Inch One Touch EZD Ring, Gray (79404) New and improved One Touch EZD locking rings open with ease and keep pages secure EZD rings hold up to 50% more than same size round rings. Gap Free ring prevents gapping and misalignment of rings Wide front and back binder panels fully cover standard dividers and sheet protectors Made with 100% recycled chipboard Please Note: The actual binder size is measured by the rings not by the spine.