Suction bathroom grab bars keep you steady even in slippery areas. Strong suction cup design works on any non-porous, flat surface including smooth tile, glass, porcelain or fiberglass. Be careful not to adhere to rough or uneven surfaces Portable support safety grip handle with suction cup mounting and quick release! Practical bathtub, shower and toilet disability and mobility aid, no tools or drilling required. Grab bars will not damage surfaces when installed and used correctly Textured, contoured rubber provides a comfortable non-slip grip that won't slip even when wet, providing safety for bathroom, bathtub, shower and toilet grab bars, perfect for the injured, elderly and young children Suction balance aid bar is for balance aid only, not for body weight lever. The grab bar should be inspected before each use to ensure it is securely attached. It should be reinstalled if necessary Please read the following before purchasing - In order to obtain adequate suction, 1) this suction grab bar is only suitable for tile sizes larger than 4"x4", 2) the suction cup cannot be installed over grout joints. 3) Make sure there is no texture on the shower wall, 4) The mounting surface must be flat and smooth for any other application