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" capacity holds up to 175 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.