Made of a strong steel wire with a durable rust-resistant finish.The wide arm holds and stores towels of many sizes and thicknesses vertically - just adjust the way you roll your towels to find the perfect fit. Make the most of unused wall space or mount to the back of bathroom doors. Dimensions: (Approx) (Height)51 CM X (Depth) 15.5 CM X (Width) 18 CM.TIP: check the depth of your door and use hardware that doesn't exceed that measurement. Position where it's most convenient for your bathroom space.