Yoobi 1 Inch Binder with D-Rings - Aqua Chevron In A Bind Not any more. Our 1 inch binders hold up to 275 sheets with easy-to-open D-rings that allow pages to lay flat. Twin inside pockets hold loose notes and handouts. With a spot on the front cover for your name, subject, school and grade, there will be no confusion about who owns this binder.