Easy to take: There are intimate hand-carrying devices on both sides of the box, which provides convenience for storage and access. Reinforced seams are also implemented for added strength.MULTI-PURPOSE: Can be used for closet or cloakroom, also a good choice for university dormitory, attic, bedroom use to store toys, clothes, books, sundries, etc. Will also be a good helper for moving.DOUBLE ZIPPER: There are double zippers at the opening of the box, allowing easily slide along the closure when in use, regardless of how full the bag is, which makes the opening and closing smoother and easier to retrieve.600D Oxford cloth & Steel frameBOLD STEEL FRAME & WATERPROOF FABRIC: The box has a built-in folding steel frame support, which can be stacked in multiples, and can be folded and stored when not in use, saving more space. 600D Oxford cloth + waterproof fabric, more at ease and rest assured.LARGE CAPACITY & VISIBLE: S-39*29*20cm, capacity 22 liters; L-50*40*33, capacity 66 liters. Can store different items, such as clothes, snacks, toys, etc. With a large window, so you can clearly see what's in the box even if you don't take it out.