ROUND BOTTOM 2-WAY CLOSURE: Our black laundry backpack features a round bottom, ensuring a more spacious space after storage, it stands well. The extra handle at the top makes it easier to hang it up. We have designed a drawstring at the opening combined with a strap with a buckle that helps to avoid spills. DURABLE MATERIAL EXTRA LARGE VOLUME: Measures 28H X 15L. The top of our laundry bag backpack has a retractable design, the maximum extension height is 40 and the capacity can reach 115L. The portable laundry bag is made of heavy-duty Oxford fabric, which is lightweight but tear-resistant. Cross-stitching on the straps and additionally sewn with reinforced stitches on all sides to improve durability. FOLDABLE FOR EASY STORAGE MACHINE WASHABLE: The heavy-duty laundry bag is also foldable so you can easily fold it up and store it in any drawer when not in use. And they are machine washable instead of by hand, saving you time and promoting reuse. Recommend mild detergent and hang to dry.