Roll with Ease, Lock with Confidence: Glide smoothly across any floor with the four 360° rolling, whisper-quiet, wear-resistant rubber casters. Two of them lock in place, ensuring your laptop desk stays put when you need it to. Organize & Store with Style: Keep your workspace clutter-free with its innovative storage solutions! The mobile computer desk with a pull-out keyboard tray, a spacious bottom shelf, and 3 handy removable hooks provide ample room for all your peripherals, documents, and personal items.