With this easy to use Shower Handle you get what you need, quality and long-lasting durability in an easy to use design. These grab bars are ONLY to be used on smooth dry and clean surfaces. Make sure all surfaces are thoroughly dry before installation. Make sure to test the suction before use to avoid injury. Check the stability and the suction of the bars from time to time .These bars are made ONLY to ASSIST and to properly support a human body, and NOT to stand or sit or support full body weight.