【Waterproof & Washable】Sports gym bag is made of waterproof fabric, bring you a clean and comfortable journey. You can go directly to the washing machine for cleaning and reuse. | 【Unique Design】We designed a pocket, which allows the bag to slide over the luggage handle and to be fixed on the trolley case. There is a extra pocket with zipper to storage your daily use item. | 【Foldable】Once you're done using it, you simply fold it away neatly back into the little bag attached to it. The bag also serves as a little side pocket when the bag is in use. | 【Large Capacity】Unfold dimension is Travel duffel bag size: 18.7 x 12.5 x 6.2 inches, meet spirit airline personal item carry on limit 18 x 14 x 8 inches, can be placed under seat, save your overweight charges. | 【Multifunctional】Travel, shopping, luggage, gym bag, carry-on bag, sports, hiking and camping, Beach Bag, Laundry bag.