The suction cup bathroom grab bar will give you the confidence of stability in slippery areas. The powerful suction cup design can be used on any flat, non-porous surface, including smooth tiles, glass, porcelain, or fiberglass. Please take care not to stick it to rough or uneven surfaces. Portable safety grab bar with suction cup attachment and quick release! Useful as a mobility aid for people with disabilities in bathtubs, showers, and toilets; no tools or drilling required. The grab bar will not damage surfaces when installed and used correctly. The textured, contoured rubber provides a comfortable, non-slip grip, even when wet, offering safety for grab bars in bathtubs, showers, and toilets. It is ideal for use by injured people, the elderly, and young children, and is not designed to provide leverage for body weight. The bar must be checked before each use to ensure it is securely attached. If necessary, it must be reattached. PLEASE READ THIS BEFORE PURCHASING - To achieve adequate suction for the job, 1) ✔ This suction cup grab bar is only suitable for tile sizes larger than 4" x 4", 2) ✔ The suction cups must not be installed in grout lines. 3) ✔ Ensure there are no textured shower walls, 4) ✔ The mounting surface must be flat and smooth for all other applications.