Meet the Expand Modular Shelving and Storage. It has multiple panels that can be connected to each other through L, T, and X joins, allowing you to create shelving or storage cubes. Your storage cube can withstand 89kg of weight. The solution is wall mountable, waterproof, and stain resistant.
The above video shows what this modular shelving and storage system is all about. You can find out more on Expand Furniture’s website.