Since the material is solid, it can be used for a long time. The mesh on both sides provides excellent breathability, so you can easily see where it is stored in your bag, clothes, shoes, etc. There are 4 pockets that can be used to store bags, hats, etc. The zipper design can be divided between the 2nd and 3rd levels, slim enough to be used as a single row or 4 tier, short, space-saving, and can be used as a second row or 2 tier.