BOON – versatile, sturdy and sleek. The versatility of the BOON cube storage unit it a great solution for your living room, office or even your wine cellar. BOON can be extended to any height and width to fit available space. You can even combine square and rectangular shelf spaces to mix things up a bit! This shelf is also a great choice in terms of what you get for your money – it's never been easier to be creative and design an elegant, high-quality and incredibly low-cost bookcase for the exact space you have.