Multiple Pockets:This zipper binder 3 ring is designed with multiple pockets to store your items well High Quality:This binder with zipper is made of 900D waterproof material, which is tear-proof,the binder has a reinforced design, while the reinforced panel prevents it from falling off Special Design:The place where the paper is placed is designed with a fixing strap that can hold the paper in place so that it does not fold up Easy To Carry:This 3 ring zipper binder can not only be carried by hand or across the body, but can be fixed to the suitcase's trolley After-sales Service: If any quality problem about this zipper binder organizer,we are here to help Zipper Binder 3 Ring, 700 Sheets Capacity, Binder 3 Inch with Shoulder Strap Fits 13 Inch Laptop for School and Office,Blue