NIUNIU EASY INSTALLATION This portable car tray is easy to mount. Simply hook the tray to your steering wheel and you've got an instant ergonomic desk. This product can place to the steering wheel or back of the car seat in seconds without hassle. Our MultipurposeCar Steering Wheel Table Organizer is sturdy enough to support a tablet, notebook and even a laptop or a full lunch with drinks. Our Steering Wheel Desk works by hooking it up on the steering wheel from the bottom and turning it into an ergonomicdesigned table. One side is for food and has a deep flat surface for food not to fall off and a deep cup holder, the second side is for work and has a flat table so you can easily write or put your laptop on it quantity of delivery:1 piece (Package contents: Only the above package contents, excluding other products.) size:43*29*25mm (Reminder: The size is measured manually, please allow 1-2 cm measurement error) color:black color (Due to different monitors and lighting effects, the actual color of the item may be slightly different from the color shown on the picture.)