1. Easy to install: Suction cup grab bars for shower are made of durable plastic, not easy to break, durable, reusable and waterproof. No drilling, no tools, no glue. The mobile handle can be easily installed and removed with the rotary switch. Will not damage tiles, porcelain, glass or metals. 2. Nonslip and safe: The strong suction cup design works on any nonporous, flat surface, including smooth tiles and glass. It will not stick to rough or uneven surfaces. It is a helper for the injured, the elderly, and small children. 3. Reusable: The bathroom grab bar can be removed and reassembled as often as you like. If there is dust in it, rinse it with water and let it dry before reuse. Place the grab bar on a smooth, flat, nonporous surface and then press the lock switch to deflate. 4. Widely used: The robust suction cup design can be used on any nonporous flat surface, including tiles, glass, acrylic, and metal, etc. Ideal for bathrooms, toilets, stairs, or armchairs in hotels, motels, and private homes.