Business Source Round Ring Non-View Binder, 2" Capacity, Black,

Basic round-ring binder features two triggers on the ring mechanism that provide easy access to your documents. Back-mounted metal rings allow pages to lie flat. 2" capacity holds up to 475 sheets. Clear pockets inside front and back covers offer extra document storage with a 30-sheet capacity for each pocket. Design also features a sturdy chipboard core and exposed rivets. Three-ring binder is made of polypropylene.

Price: 3.09 from Zuma Office Supply US