Nethinking Suction Bathroom Grab Rails will give you steady confidence in a slippery area. Strong suction cup design works on any non-porous, flat surface, including smooth tiles, glass, porcelain or fiberglass. Please note not adhere to rough or uneven surfaces! Portable support safety grip grab handle with suction cup fitting and rapid release! Useful bath, shower and toilet disability and mobility aid, no tools or drilling require. The grab bar will not harm surfaces when installed and used properly. Textured, contoured rubber provides a comfortable non slip grip, won't slip even when wet providing safety and security in bathroom, tub, shower and toilet handrail, perfect for the injured, elderly and toddlers. The suction balance assist bar is for balance assistance only and not for body weight leverage. The bar should be checked before each use to make sure it is securely attached. If necessary, it should be reattached.