Example binder apparatus are disclosed. An example binder apparatus includes a housing and a plurality of rings supported by the housing. Each ring includes a first closure member and a second closure member. The first closure member has a first end defining an aperture having a first opening at least partially intersecting a second opening. The second closure member has a second end. The second end is receivable by the first opening to position the second end within the aperture and to enable a surface of the second end to be substantially flush with a surface of the first end immediately adjacent the second opening.