★The desktop extension tray is made of solid wood multilayer board with a smooth surfaces, wear-resistant, scratch-resistant, high temperature resistant, impermeable and non-staining, easy to clean, and can be wiped clean with water. ★The desktop extension board adopts a punch-free installation method, no need to drill holes on the desktop, K-type movable bracket design, hand-twisted handle grip, can easily fix the bracket, strong load-bearing capacity, can easily place various sundries such as school supplies, office supplies, mobile phones, keyboards, water cups, etc. ★The ergonomic desk extension board can be folded and stored at 90° when not in use. After folding, it is compact and does not take up space, suitable for home or office use. ★The desktop extender can increase the distance between people and books, computers and tablets, reduces fatigue and myopia caused by excessive eye use, support arms and relax upper limbs, and improve the learning and working environment. ★The desktop extension board is suitable for most office desks, expands the desktop space, increases the use area, and is widely used in office desks, dining tables, computer desks, shelves, etc.