Adult chic double ring binders. There are also zipper pockets on both sides as well as a zipper pocket in the middle? The interior of the fabric is mesh so you can easily see your favorite pen or other items in it. Size: Height 5.9 inches (150 mm), Width 5.1 inches (130 mm), Thickness 1.6 inches (40 mm). Ring Diameter: 13mm Cover Lock: Snap Product Color Trend:Black