The handle of the suction cup in the bathroom gives you security of stability in the areas. The powerful suction cup design can be used on any non-porous flat surface, including smooth tile, glass, porcelain or fiberglass. Be careful not to get stuck on rough or uneven surfaces Portable support safety grip with suction cup attachment and quick release! Useful as a handicap and mobility aid for baths, showers and toilets, no tools or drilling required. Handle strips do not damage surfaces when installed and used properly The textured, contoured rubber provides a comfortable grip, non-slip, even when wet, providing safety for support in baths, tubs, showers and toilets and is ideal for use by injured persons, the elderly and small children Suction Balance Assist Bar is for balance assistance only and not for body weight leverage. The bar should be checked before each use to confirm that it is securely attached. If necessary, it should be quickly replaced. PLEASE READ THIS BEFORE BUYING - To get proper suction for the job, 1) This suction handle is only suitable for tile sizes larger than 4" x 4", 2) Suction cups must not be installed in joint joints ( s). 3) Make sure there are no textured shower walls, 4) The mounting surface must be flat and smooth for all other applications.