Stable, secure hold on smooth surfaces: The robust suction cup design provides a firm grip on glass doors, windows, and shower enclosures, helping prevent slips or falls and keeping towels within easy reach. Easy, tool installation: The detachable suction cup eliminates complex mounting steps and drilling. Mount and reposition the towel rack quickly without damaging walls or surfaces. Durable, rust construction: Made from quality PCAB transparent materials, these hooks resist rust and deformation, maintaining a reliable grip over time. Reusable and residue: By pressing out the air, the suction cups install and remove cleanly, leaving no wall damage or sticky residue and allowing repeated reuse with consistent performance. Key attributes at a glance: Material: PCAB transparent Surface compatibility: smooth, nonporous surfaces such as glass doors, windows, and shower enclosures Function: suction cup towel rack with strong, stable grip Performance: durable, rustresistant, easy to install and reposition Practical use scenarios: In the bathroom, place on a glass shower door to hang a towel or washcloth within arm's reach. In a kitchen or laundry area, attach to a glass window or glass partition to hold a hand towel or small cloth. In spa or gym showers, mount on a glass shower cubicle to keep a towel handy between uses.