Material: Suction cup handle is made of premium PVC and ABS, durable, reusable, and waterproof. Can be used in bathrooms and other humid environments. Reusable: The adsorption membrane has memory; when changing the installation location, simply wash the suction cup and allow it to dry for reuse. Design: Portable support safety handle with vacuum pressure provides strong gripping force. Firmly adheres to smooth and nonporous surfaces. Easy to Install and Remove: No drilling, no tools, no glue required. Easy to install and remove without damaging tile, porcelain, glass, or metal surfaces. Application: Suitable for tile, glass, mirror, frosted glass, and similar smooth surfaces. Ideal for use as a handle on cabinets, windows, or refrigerator doors. Anti-slip handle provides added safety and stability for family members in and around the bathtub.