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 let it dry to restore adhesion. Design: Portable safety support handle with vacuum pressure provides strong gripping force. Securely maintains vacuum on smooth, non-porous surfaces. Easy to Install and Remove: No drilling, tools, or 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, and refrigerator doors. Anti-slip handle provides stability for adults and children entering and exiting the bathtub, enhancing family safety.