Our high quality trolley bag has three holding techniques. It can be easily converted into a backpack and has an extendable handle for when in trolley mode. Inside it has two large compartments and it opens all the way, so it can accommodate a large capacity. It also has a large sleeve that can fit both an ipad and a laptop up to 13.9 size. When packing, the bag can fit plenty in, including a laptop and/or ipad, a headset, books, a pencil case, classic travel pouch, large clear zipper pouch and two 750ml water bottles.