Small size of the mini view binder makes it easy to organize and store notes, phone numbers, addresses and other important information that you can easily take on the road for quick reference Durable construction is ideal for frequent reference Snap in your threehole punched materials into the metal round rings Gap Free rings prevent gapping and misalignment Backmounted rings let pages lie flat 12 ring capacity accommodates approximately 100 sheets Two interior pockets offer improved organization and storage Each pocket holds up to 20 sheets Customize the cover by slipping an insert with your own graphics, photos and designs into the overlay on the front, spine and cover Binder also features a sturdy chipboard core