About this item DIY Height: To maximize space, you can adjust the shelf height of the bookcase as needed. This cube organizer is perfect for desk, office, living room, study, kitchen, bedroom and more. Stackable: This book shelf can be stacked in various combinations, allowing you to design the bookshelf according to the space. This is something that other wooden or iron bookshelves can't do. Package contents: There are 4 Tiers in the package. One Tier size is 14.2" W x 10.3" D x 5.5" H, Overall size: 14.2" W x 10.3" D x 22.4" H. 9 combinations are available to design the bookshelf. Lightweight and sturdy: Made of high-quality plastic, it is not heavy but strong. This corner cube organizer is great for organizing textbooks and toys in kids room. Easy Assembly: Very easy to install, no tools required, one person can do it in seconds.