Avery Flexi-View Binder ½" , Round Rings, Black - 1/2" Binder Capacity - Letter - 8 1/2" x 11" Sheet Size - 100 Sheet Capacity - 3 x 0.50" Ring - Fastener: Round Ring - Pocket: 0, Internal - Polypropylene - Black - Flexible, Durable, Lightweight, Pre