ROUND BOTTOM 2-WAY CLOSURE: Our black laundry backpack has a round bottom, which ensures a more accommodating space after storage, it stands well. The extra handle at the top makes it easier to hang it up. We design a drawstring closure on the mouth topcombined with a strap with a buckle which helps to avoid spilling.DURABLE MATERIAL EXTRA LARGE VOLUME: Measures 28H X 15L. The top of our laundry bag backpack adopts 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 cloth, which is lightweight but tear-resistant. Cross stitching on the straps and further sewn with reinforced stitches on all sides to improve durability.COLLAPSIBLE FOR EASY STORAGE MACHINE WASHABLE: The heavy duty laundry bag is also collapsible that you can easily fold and store in any drawer when not used. And they are Machine Washable rather than by hand which will save your time and promotes reuse. Recommend Mild Detergent and Hang to Dry.