The shower caddy over the door has suction cups and screws to hold it in place, so you can secure it from the back, the suction cups hold it tightly to the shower wall, it won't slide on the glass door. Hangs over the door with the sturdy included hooks to fit almost any residential or commercial door. This caddy organizer comes with 6 hooks, specially designed for hanging your bath accessories like towels, bathrobes, brushes and razors. It can hold several large bottles of shampoo, conditioner, lotions, soaps, etc. The wire basket design allows for adequate water drainage.