This is a carry-on compatible, foldable Boston bag (black). It has a large capacity and is expandable, making it suitable for travel, the gym, and various other uses. 【Size】 ・Normal: 41 x 22 x 28cm ・Expanded: 41 x 22 x 40cm ・Folded: 28 x 4 x 18cm 【Material】High-density Oxford fabric (water-repellent, abrasion-resistant) 【Specifications】 ・With a wet/dry separation pocket ・Capacity can be expanded with a bottom zipper ・Foldable storage Convenient for travel, commuting, sports, and as a mother's bag. #BostonBag #CarryOn #FoldableBag #TravelBag #LargeCapacity