Multiple Adjustable Heights & Angles: Two auto-lock buttons on each side easily enable quick changes in height, legs can be set to 5 different heights (adjustable from 10.6"-15.8") in addition two clamps may be used to adjust the surface angle, surface can be set to 4 different angles (from 0-45 degree). Wide & non-slip Desktop Design: Super large bed tray table size is 23.6"x15.7". High-density plate desktop to increase table friction and provide you the best anti-slip effect. Allows you to learn with peace of mind, without worrying about your book or computer falling off because the desktop is too smooth. Premium Material & Fan Light Design: Made of premium plate material, the laptop bed tray table is very solid and durable. The laptop bed table legs are thicker and more durable and stable than others, so it will not easily shake and break. Equipped with a USB fan and small lamp, the foldable lap tablet table is convenient for you to use in daily life. Foldable Design: Light but sturdy, folds flat for space-saving storage and portability. Executive office solutions, set up your lap top or writing work station anywhere in your home or office. Widely Use: A lap desk with portable book stand can make your kid study more convenient. The anti-slip design of the ledge on the bottom keep your laptop safe while tilted, providing comfort and stability. It can be as a laptop workstation, laptop table for bed, a children's bed table, a mini writing table, a standing table for office work, laptop couch table, or a book/tablet table.