Material: The suction cup handle is made of premium PVC and ABS, which are durable, reusable, and waterproof. It can be used in the bathroom 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 before reuse. Design: The portable safety handle with vacuum pressure suction cups provides a strong gripping force. Locks vacuum firmly to work on smooth, non-porous 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, and frosted glass. Ideal for use as a handle on cabinets, windows, or refrigerator doors. The non-slip handle helps parents and children step safely in and around the tub, enhancing family safety.