Avery Heavy-Duty View Binder with 3-Inch One Touch EZD Rings, Green, 1 Binder (79821) 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 rings prevent gapping and misalignment Wide front and back binder panels fully cover standard dividers and sheet protectors Organize and secure paper with four stacked pockets Please Note: The actual binder size is measured by the rings not by the spine.