This 13.78-inch deep x 9.8-inch wide sofa armrest tray is designed specifically for modern households and can be easily installed on sofa armrests ranging from 3.5 to 13.5 inches. No tools or assembly required, ready to use out of the box. Suitable for round/square/curved armrest sofa tables. Foldable wooden sofa armrest table tray takes up minimal space during use, folds flat, and is easy to store. Whether in the living room, bedroom, or balcony, it can provide a relaxing space for your life, replacing bulky side tables or TV trays, saving valuable space, and making your home more organized and tidy.