The SONGMICS 3-tier shoe rack organizer is carefully designed and finely crafted with selected iron poles and plastic connectors. This shoe rack is of simple structure and yet practical and functional. The shipping box only contains simple parts, which makes it very easy to assemble and disassemble in a few minutes. Keep your shoes well organized instead of scattering them around and making yourself embarrassed when having visitors. It’s a great storage rack for your doorway, entryway and closet. You may order 2 units and stack them to get a 6 tiers shoe rack or customize them into other layer quantities you need.