Plastic SAVE SPACE-create an extra shelf by using your existing outlet cover with provided plastic shelf to save space,it is a good helper of home. Features-Horizontal raised grooves hold devices in place.Hold up to 20lbs for electronic devices,speakers and toothbrushes. Detachable bottom hooks easy to hang accessories. Cord management-Built-in cable management with cord storage area. Avoid messy hanging cords by keeping them tucked away. Practical design-this shelf can be mounted vertically for a top shelf, fits to any room and wall,can be used in the bathroom, kitchen,bedroom.