Easy to Install: No tools or hardware required, easy to use. Two suction cups secure the handle to one side of the tub or shower wall and use a buckle switch for easy removal. Two suction cups design: Portable support safety grip handle and suction cup's vacuum pressure provides super gripping power. Can work on any non-porous, flat surface. STABILITY AND SAFETY: Made of high quality plastic, durable, waterproof and reusable; suction cup vacuum pressure provides excellent grip, perfect for any shower/bath, you can use it safely and provide more for your family Much security. FOR BALANCE AID ONLY: The suction handle armrests are primarily used for body balance, not weight support. It is recommended that the suction cup armrests be inspected regularly to ensure a secure connection and may be re-installed once a week. Wide range of applications: Provides stable and safe support for people in need, such as toilets, bathtubs and showers, and is also a good choice for use as cabinet handles, window handles, refrigerator door handles.