ADJUSTABLE FEATURES This lap desk is equipped with adjustable height and angle features. Each side has two locking buttons for easy and quick height adjustments, offering 8 different height settings (10.2" - 15.4"). Rotating buttons on both sides allow for easy angle adjustments (0 -180 ), providing a more comfortable posture whether you're standing, sitting, or lying down. VERSATILE & USER-FRIENDLY Equipped with storage drawers for convenient storage of small items, such as glasses, mice, etc.; moveable laptop stopper designed to securely hold laptops, books, and other items in place; cup holders for easy placement of cups or beverages; bookshelves for storing books and iPads; phone stand design makes mobile phone charging more convenient. FOLDABLE & PORTABLE The folding table makes it extremely convenient for storage and carry. When not in use, just fold it up and easily place it in any corner or storage box, saving space and keeping it tidy.