1. and sturdy: The suction cup hook is made of good stainless steel, sturdy and durable, not easy to break or deform, corrosion-resistant, moisture-resistant 2.Reminder: bathroom suction cup towel hooks should only be installed on clean, dry, flat, smooth or non-porous surfaces such as: glazed tile, ceramic tile, glass, stainless steel, plastic, and cultured marble. The surface must be smooth for proper vacuum sealing. Unless the surface is sealed to the point of stopping all air leakage, it will not hold. Please double check that the wall is suitable for installation 3.Suction cup base design: The suction cup base of the suction cup hook is made of high plastic PVC and coated with 3mm thick composite adhesive, which has strong suction and load-bearing capacity. Support for repeated use, simply clean the suction cup with water after disassembly, and then use it again after drying according to the complete installation instructions 4.Easy to install: No tools required and will not cause permanent damage, simply rotate the suction cup by hand to complete the installation. Please follow the steps in the installation instructions for installation