The Case•It Mighty Zip Tab is a large-capacity zipper binder that is perfect for organizing all of your classroom essentials. It has a set of three round rings with 3” of capacity. Inside is a 5-tab, 6-pocket expanding file folder to keep all of your important papers secure and organized. On the interior, you will also find a zippered mesh pocket which is perfect storage for your pens and pencils. On the exterior, you will find a large zippered compartment where you can store any other personal items. This large-capacity binder also features a gusseted zipper for easy access plus a carry handle and shoulder strap for versatile mobility. The zipper has a unique angled design to make it easier and quicker to zip things up when packed with your important papers and materials and also keeps the gusset out of the way when writing. The D-146, like all of Case•It 's binders, uses Kraft board to keep a firm, stiff shape that won't buckle or warp. The spine is specially designed so that your binder can lay flat when open, making it easier to add or take papers out, and to take notes in. Case•It produces quality binders offering unique organizational tools for school or home use. Assembled Product Height 13" x Depth 3.7" x Width 12.99"