COSMOS Wall Mount Suction Cup Hair Dryer Holder Rack Storage Organizer Hanger & Bathroom Accessories It is made of high quality eco-friendly ABS plastic Easy Installation - no tools, no drilling, no screwing With slots for plug & cords at oneside Suitable for use in bathroom, kitchen, hotel, closet and any smooth, non-porous surface Product Size: 4.25 x 4.3 inches; Inner Ring Diameter: 3"