This stackable modular cube allows you to organize it how and when you want. Crafted from eco-friendly, non-toxic recycled zBoard paperboard, it is lightweight and stackable, making it perfect for dorms and smaller apartments. No matter how you stack it with other cubes, the options for storage are endless. No tools are required for assembly. All you need to do is peel and stick the included 3M adhesive strips and attach the included pins.