This product comes with a smart ergonomic stackable legs design to easily achieve optimum viewing position for your eyes. Maximize the desk area using underneath storage space to keep your work stationary and keeping the area tidy and organized. Made of high-impact polystyrene, it is a tough, rigid plastic material with high impact strength that comes in black color. Ideal screen riser for tablets, laptops, pc, desktop computers screens, and even printers. The built-in cable management hooks will keep the wires tidy and the non-skid rubber feet will prevent scratches and scuffs on the desk surface.