Case-It Mighty Zip Tab , 3-Ring zipper binder, 3” O-ring, 5-color tabbed, 6-pocket expanding file, Inside mesh pockets, U-Zipper gusset gives ability to access file even when binder is zipped shut, Handle and shoulder strap, Rip-stop material's square pattern traps punctures to prevent tearing, External Front Zipper Pocket allows for extra storage , Patented angled zipper keeps gusset out of the way when writing