Sturdy and versatile, Basic Round Ring Binder can help keep documents organized and within easy reach. Traditional three-ring binder features durable vinyl covers to secure your letter-size documents. It is ideal for reference. Metal round rings are mounted to the spine. Opening and closing triggers on the rings offer easy access. 1/2" capacity holds up to 100 letter-size sheets. Two interior opaque pockets offer a horizontal orientation to store loose papers for easy access. Design also features exposed rivets and a sturdy chipboard core.