Samsill Earthchoice Durable View Binder - 3" Binder Capacity - Letter - 8 1/2" x 11" Sheet Size - 550 Sheet Capacity - 3 x 3" Ring - Fastener: Round Ring - Pocket: 2, Internal - Chipboard - Assorted - Recycled - Bio-based, Durable, Clear Overlay, Flexible