Whether every cube sheet get well locked decides if you can get a strong structure. We have configured the rubber mallet, which is better than the ordinary wooden hammers on the market, locking the sheet in deepest layer to get highest stability. Following the guide, It only takes about 30 minutes, then, you shall get a firm storage organizer.Not only can be placed anywhere as a closet in your house or office, but also can be used as a partition to provide the private space for you. You can store all sort of items as you want: books, clothes, toys, artworks, decorations and more. This is a particularly great little helper, and keep your room tidy.Each cube size is 11.8" x 11.8" x 11.8" (30 x 30 x 30cm), we also presented polyethylene plastic plate, sturdy metal frame, ABS plastic connectors, anti-topping device rubber mallet, elevated foot connectors.