Safety Upgrade: shower grab bars suction upgraded to 3 super vacuum suction cups, more solid and safe than 2 suction cups, the surface with non-slip design, so that you are more at ease in the shower. Hook design allows you to put scrubbing towelsThe suction grab bar is only suitable for complete smooth, dry and clean and non-porous surfacesEasy to Install: Absolutely NO drilling and NO fixing required! Grips to any smooth surface in seconds! Will not damage walls. Simply position the grab bars on the tub or shower wall and flip down the tabs to lock the super-grip suction cups in place.Note on Use: Shower handle is suitable for smooth, dry and clean surfaces such as tile, glass. Clean and dry the surface thoroughly before installation to ensure a smooth, non-porous surface. Check the stability of the suction cups regularly. The grab bar is intended only to assist and help properly support one's body, not to stand full body weight. Use caution and test the suction of the cup before use. Note: Handrails should not be installed over grout joints.Completely Portable: Suction cup handles for shower can be effortlessly removed. Repositions easily anywhere, any angle. To remove, simply flip up the tabs.Scope of Application: shower safety bars are great for the bath, shower, next to the toilet, near the stairs, or beside a chair! For people with limited mobility, such as the elderly, injuries, etc.