[durable materials] the wiper is made of zinc alloy, durable, rust-resistant and long service life [rubber end] the rubber end does not cause any damage to the glass and can be cleaned very clean [Suction Cup Hook] The stainless steel suction cup hook is durable and not easy to rust. The double hook is designed to firmly hold the wiper or hang other items Convenient and practical The window cleaner can help you easily clean the stains on the windows, and the matching hook can help you store your items well, save storage space, very convenient and practical [widely used] ideal for cleaning windows, shower doors, automobile windshields , tiles, mirrors, glass, counters, patios and flat or undulating surfaces.