Material: stainless steel.KST super suction cup and suction double hooks.Attaches to nonporous surfaces easily.Simple installation with just a press of the button.Promises excellent performance even in moist environment.Reusable and leaves no wanted marks after removal.Specially designed for household use.Durable construction for years of dependable use.Hangs towels， kitchenware， bathing accessories and so on.Particularly suitable for hanging on the wall of bathroom or kitchen.Applicable to smooth and non-smooth surfaces such as glass， frosted glass tiles， uneven tiles， painting wood， grained wood， mirror and many more.No tool， drilling or screwing is required.KST suction system is a patented invention， provides you a completely different design with unique market.