This is really easy to assemble with no nails or screws necessary offering a host of different configurations clever and versatile shoe storage that can expand to accommodate an ever growing shoe collection translucent polypropylene on a steel frame these cubes are sold in packs of 12 you can easily clip together as many of them as you want and position them either next to each other or stack them depending on what space you have available storage that suits the whole family each cub