No Drilling - Install this shelf on your shower rail, no need to drill a hole in your wall Material - The shower caddy is made of thickened ABS, the maximum loading capacity is 15kg. The fence is made of aluminum, rust resistant. Adjustable Height - The shelf can move to different heights as you want Widely Used - Comes with 6 sets of different size rubber sleeves, suits shower bar with diameter of 19mm - 25mm (Note: bar is not included, please measure the diameter of your shower bar if suitable) Easily Drain - Detachable shower floor with hollow design makes the shelf ventilated. Designed with bracket shower head set, convenient for your shower time